Watch this video for more practice solving for the profit-maximizing point and finding total revenue using a table. TR = PQ Practice what you've learned about profit maximization and how to apply the profit maximization rule in this exercise. Total costs will be the quantity of 85 times the average cost of $3.50, which is shown by the area of the rectangle from the origin to a quantity of 85, up to point C, over to the vertical axis and down to the origin. π = TR - TC You might think that, in this situation, the farmer may want to shut down immediately. Total revenues will be the quantity of 85 times the price of$5.00, which is shown by the rectangle from the origin over to a quantity of 85 packs (the base) up to point E’ (the height), over to the price of $5, and back to the origin. This is how we will derive the MC and AVC curve. This is also previously known. Figure 1. Graphically this means the slope of the cost function equals the slope of the revenue function at the maximum profit point. Since the price is less than average cost, the firm’s profit margin is negative. Jan Hagemejer dvanced Microeconomics. We substitute P*Q again into the equation and can pull out the P because it is constant. Quantity = Q The firm will continue to produce if Marginal Revenue is greater then the Marginal Cost. There are several perspectives one can take on this problem. Characteristics of Perfect Competition: Δ = the change in Now consider Figure 1(b), where the price has fallen to$2.75 for a pack of frozen raspberries. To maximize its profit, the firm must its of the product for $20 per unit. It should be noticeable from the graphs that the TC area is larger than the TR area.Second Graph It should be clear from examining the two rectangles that total revenue is less than total cost. In economics a Monopoly is a firm that lacks any viable competition, and is the sole producer of the industry's product. Or, we can calculate it as: profit = (price−average cost) ×quantity = ($2.75−$2.75)×75 =$0 profit = (price − average cost) × quantity = ( $2.75 −$ 2.75) × 75 = $0. Between TC and TVC the distance is TFC. Did you have an idea for improving this content? TR = PQ MPL = Marginal Product of Labor From this the ΔQ’s cancel leaving only P. From this we see MR = P The firm will continue to produce if Marginal Revenue is greater then the Marginal Cost. Pick two very close points to the location of our extrema (t = 1/4). Next we want to observe the average value of the revenue and to do this we must divide the total revenue by the quantity. TC = Total Cost Target Audience: Play the simulation below multiple times to practice applying these concepts and to see how different choices lead to different outcomes. MNR = MR – MC = 0 Your accounting profit is still$60,000, but now your economic profit is -$10,000. MPL= ΔTPL/ΔL= ΔQ/ΔL The curvature of the profit function is consistent with a negative second derivative and results in q* being a quantity of maximum profit. We want for our marginal net revenue to equal 0. Profit maximization. The total profit of this firm is then$25, or: ﻿ T R − T C = 1 0 0 − 7 5 TR - TC = 100 - 75 T R − T C = 1 0 0 − Thus, the firm is making zero profit. We substitute P*Q into the equation and we come to see that AR = P because the Q cancels in the numerator and denominator. At this price, marginal revenue intersects marginal cost at a quantity of 65. We’d love your input. We divide the change in Total Cost by the change in Quantity Revenue = Price * Quantity Profit Maximisation in the Real World How can you be certain that you make the best financial decision when evaluating whether to take a job or invest in a new business opportunity? Economic profit is the method of calculating profit including both explicit and implicit costs. MC – Marginal Cost Microeconomics and mathematics (with answers) 6 Maxima and minima Steps of optimization: À Set 1st derivative = 0, then calculate Q. 5.32 Calculate profit (loss) by using the the equation obtained in 5.31. To find the maximum or minimum value of a quadratic function, start with the general form of the function and combine any similar terms. ***AR = MR = P  A graph showing a profit curve that has an inverted U-shape and has a peak at the profit maximizing quantity. Thus, microeconomics is an important consideration when designing nonprofit programs. Game Theory It’s also important to anticipate the actions of your competitor, even in the nonprofit sector where competitors can also be considered partners. The shaded box represents the TR. P>AC D) TR > TC : profit is maximized. P=AVC This will give us our Average Revenue (AR) This video uses numbers to explain total product, average production, and marginal product.        = P0Q0 TC = P1Q Our Monopoly Profit Maximization Calculator will do the work! The shaded box represents the TR. point E, shows the average cost of producing this quantity. 5.34 Calculate the break-even point Q using the equation obtained in 5.31 and the numbers of 5.32. Many producers When the TC = TR the AC = MR. As we stated above when the total revenue is greater then the total cost we have positive profit and when the TC is greater then the TR the profit is negative. 3. Total Cost = Variable Cost + Fixed Cost Set marginal revenue equal to marginal cost and solve for q. It never makes sense for a firm to choose a level of output on the downward sloping part of the MC curve, because the profit is lower (the loss is bigger). The firm will continue to operate as long as it covers its variable cost, which is does. TFC = Totao Fixed Cost We call this the break-even point, since the profit margin is zero. The problems were originally compiled by Dr. Charles N. Steele and are reprinted with his generous permission.                         π=ABCD=positive profit. This last equation is incredibly important to understand. The profit maximization rule formula is MC = MR Marginal Costis the increase in cost by producing one more unit of the good. The new operating system, Doors XR, has been newly developed. Profit is negative. How Perfectly Competitive Firms Make Output Decisions. First consider a situation where the price is equal to $5 for a pack of frozen raspberries. It should be noticeable from the graphs that the TR area is larger than the TC area. We want to first identify where our TR is on our graph. Halloween Pumpkin With a Moving Animatronic Eye | This Pumpkin Can Roll Its Eye. Profit = Total Revenue – Total Costs Therefore, profit maximization occurs at the most significant gap or the biggest difference between the total revenue and the total cost. Profit maximization. In classical economics, it is assumed that firms will seek to maximise their profits. P = AVC which is the point at which the firm is not sure whether is should shut down or continue producing. The TC curve from above is incorporated in the graph below. π=TR-TC APL= TPL/Q= Q/L Profit maximisation will also occur at an output where MR = MC When MR> MC the firms is increasing its profits and Total Profit is increasing. Calculate the level of output the firm will produce if its objective is to maximize profit. They have the same slopes at that point. Total Revenue (TR) is equal to the Price (P) multiplied by the Quantity (Q). The firm's marginal cost function is MC = 3 + 0.001Q, and at the profit maximizing level of output the average variable cost (AVC) is$5.50 and the average fixed cost (AFC) is $0.75. Learn about the profit maximization rule, and how to implement this rule in a graph of a perfectly competitive firm, in this video. https://cnx.org/contents/vEmOH-_p@4.48:EkZLadKh@7/How-Perfectly-Competitive-Firm, https://www.youtube.com/watch?v=BQvtnjWZ0ig, Use the average cost curve to calculate and analyze a firm’s profits and losses, Identify and explain the firm’s break-even point. We want to change the equation above to look at the change in profit divided by the change in quantity. Total costs will be the quantity of 75 times the average cost of$2.75, which is shown by the area of the rectangle from the origin to a quantity of 75, up to point E, over to the vertical axis and down to the origin. As we can see from the graph above we can observe profit by looking at the change in TR and TC. First we will look at when Price is greater then the Average Cost. A) TC >TR : profit is negative Next we have to find the TC.             MNR = MR – MC The average cost of producing 85 packs is shown by point C’ or about $3.50. The height of the average cost curve at Q = 75, i.e. Here the MR and the MC curves are, respectively, the firm’s marginal revenue and short-run marginal cost curves. We want to begin by starting with revenue. Thus, the firm is losing money and the loss (or negative profit) will be the rose-shaded rectangle. The solutions to the problems are my own work and not necessarily the only way to solve the problems. r*K = wage rate * Capital The change in Total Cost is equal to the change in total variable cost because the fixed cost is not changing. Profits for the monopolist, like any firm, will be equal to total revenues minus total costs. TVC = Total Variable Cost Since price is greater than average cost, the firm is making a profit. The Monopoly maximizes it's Profit at the quantity of output where marginal revenue equals marginal cost. We have explained the condition for the firm’s maximum profit in terms of TR and TC. The firm maximises profit where MR=MC (at Q1). At this point P =AVC the firm must make decisions as to whether it should continue to produce or shut down. This is because the first derivative gives the slope of a function. This gives a firm normal profit because at Q1, AR=AC. To find these values in the calculator, plot the profit function P(x) in the same way as was outlined in part 4) Thus, profits will be the blue shaded rectangle on top. We draw a straight line from the price axis to where the price lays tangent to the AC curve where the Q =AC and use this new price to find the Area under the curve. We have our necessary quantity marked and now we must look at the area under the AC curve. APL = Average Product of Labor Loss is greater then the variable cost therefor the firm will shut down. Now we shall explain the conditions (10.3) and (10.5) of maximum profit with the help of the firm’s MR and MC curves shown in Fig. Here are total cost formulas, average variable, marginal cost, and more, (work out your own algebra to find alternatives): Average Total Cost (ATC) = Total Cost / Q (Output is quantity produced or ‘Q’)Average Variable Cost (AVC) = Total Variable Cost / QAverage Fixed Cost (AFC) = ATC – AVC Total Cost (TC) = (AVC + AFC) X Output (Which is Q) Since price is equal to average cost, the firm is breaking even. At this price and output level, where the marginal cost curve is crossing the average cost curve, the price the firm receives is exactly equal to its average cost of production. Then, to find the profit gener ated from this output level, substitute this x-value into P(x). We will begin with the definition of profit. MC= ΔTC/ΔQ= ΔTVC/ΔQ= Δ(w*L)/ΔQ= wΔL/ΔQ= w/(ΔQ/ΔL)= w/MPL Substituting 2,000 for q in the demand equation enables you to determine price. Also, calculate the maximum profit that the firm can earn This means that we have a positive marginal profit. Δπ/ΔQ=ΔTR/ΔQ- ΔTC/ΔQ TR = Q*P TR = P*Q So we must find where MC =MR and draw a vertical line down to the Quantity axis and find the Quantity which correlates to the Price chosen. *Begin with previous knowledge of the Production Theory. As we can see the firm maximizes profits when the profit graph reaches its maximum. Homogenous product (perfect substitutes) (π = Profit) These slopes are referred to as marginals. C = Slope of zero Finding Maximum Profit To find maximum profit, compare the profit level at each price level. This is aimed toward those who have taken or are currently taking Intermediate Microeconomics. It means that at some price you will have a horizontal AR and MR curve and this coincides with the demand curve. As you can see this forms a rectangle and the Area of the rectangle is the TR. But one way to think about it, very generally, it's how much a firm brings in, you could consider that its revenue, minus its costs, minus its costs. AR= TR/Q=(P*Q)/Q=P This is when on the TC, TR curve the TR is greater and the vertical distance between the TC is at is maximum. In perfect competition, the same rule for profit maximisation still applies. It is as though all the previous actions are ‘sunk’. ... Economics AP®︎/College Microeconomics Production, cost, and the perfect competition model Profit maximization. ***This equation only holds for perfect competition TR is P*Q which is a linear relationship and increases as Price and Quantity increase.Second Graph MR= ΔTR/ΔQ= (Δ(P*Q))/ΔQ=(P* ΔQ)/ΔQ=P At a price of$2, MR intersects MC at two points: Q = 20 and Q = 65.      A = Inflection Point As the marginal product of labor increases the MC decreases and when the marginal product of labor decreases the MC increases. Instead of using the golden rule of profit maximization discussed above, you can also find a firm’s maximum profit (or minimum loss) by looking at total revenue and total cost data. As you can see this forms a rectangle and the Area of the rectangle is the TR. These questions allow you to get as much practice as you need, as you can click the link at the top of the first question (“Try another version of these questions”) to get a new set of questions. TC is always above TVC. We can calculate the marginal net benefit of a decision by subtracting marginal cost from marginal benefit. It should be clear that the rectangles for total revenue and total cost are the same. 5)If you choose to find the output level that maximizes profit by hand, use the formula to find the vertex of the profit function, P(x). Simply calculate the firm’s total revenue (price times quantity) at each quantity. Price and Average Cost at the Raspberry Farm. The Total Product Curve is shown in the first graph. Your      B = Point of Maximum Slope • FC = 240 • AVC = 5 • AR (= Price) = 8 • Q = 70 5.33 Use the equation obtained in 5.31 and the numbers of 5.32 to calculate Q if we target a profit of 60. Then subtract the firm’s total cost (given in the table) at each quantity. This means we will have a horizontal line at the chosen price which is shown on the graph. For example, if you’re starting with the function f(x) = 3x + 2x - x^2 + 3x^2 + 4, you would combine the x^2 and x terms to simplify and end up with f(x) = 2x^2 + 5x + 4. Next we combine all of the information we just found. The pattern of costs for the monopoly can be analyzed within the same framework as the costs of a perfectly comp… Share it with us! From this we can Combine the TR,TC curve with the MC, AC, and the Profit graphs to find the point at which the firm maximizes profit. C) TR >TC : profit is positive Does maximizing profit (producing where MR = MC) imply an actual economic profit? At the inflection point (A) the MPL reaches its maximum and continues to decline from that point and intersects the maximum of the APL. Next we have to find the TC. Consider a monopoly firm, comfortably surrounded by barriers to entry so that it need not fear competition from other producers. As average product of labor (APL) increases the AVC decreases and as the APL decreases the AVC increases. To double-check your calculations, examine the marginal cost at …                                                       AC=AVC+AFC In economics, profit maximization is the short run or long run process by which a firm may determine the price, input, and output levels that lead to the highest profit. The average product is the TPL/Q and the MPL is the slope of the TPL curve. Total costs will be the quantity of 65 times the average cost of $2.73, which the area of the rectangle from the origin to a quantity of 65, up to point C”, over to the vertical axis and down to the origin shows. How can you calculate Maximum Profit in a Monopoly? In (c), price intersects marginal cost below the average cost curve. A negative economic profit implies that you could be doing better by pursuing an alternative opportunity. To maximize profit in perfect competition, a firm must set its production output such that marginal revenue (the income earned by selling one additional unit of a good) is equal to marginal cost (the cost of producing one additional unit of a good). Again, the perfectly competitive firm will choose the level of output where Price = MR = MC, but in this case, the quantity produced will be 75. In the firm this in the only range in which it will produce output. We draw a straight line from the price axis to where the price lays tangent to the AC curve where the Q = AC and use this new price to find the Area under the curve. AR = MR =P Thus, the firm’s profit margin is the distance between E’ and C’, and it is positive. TR = P*Q So we must find where MC =MR and draw a vertical line down to the Quantity axis and find the Quantity which correlates to the Price chosen. Table 1 summarizes this. And a rational firm will want to maximize its profit. Figure 1 illustrates three situations: (a) where at the profit maximizing quantity of output (where P = MC), price is greater than average cost, (b) where at the profit maximizing quantity of output (where P = MC), price equals average cost, and (c) where at the profit maximizing quantity of output (where P = MC), price is less than average cost. TR was greater than TC and therefor the profit was positive.The Third Graph As you can see this forms a rectangle and the area of the rectangle is the TR. profit = total revenue−total cost = (75)($2.75)−(75)($2.75) =$0 profit = total revenue − total cost = ( 75) ( $2.75) − ( 75) ($ 2.75) = $0. The firm’s average cost of production is labeled C’. TPL = Total Product of Labor The average cost of producing 65 packs is shown by Point C” which shows the average cost of producing 65 packs is about$2.73. Visual tutorial on production theory. Its demand is estimated that: Q = 100,000 - … Thus, the profit-maximizing quantity is … If the price that a firm charges is higher than its average cost of production for that quantity produced, then the firm’s profit margin is positive and it is earning economic profits. MR = MC is a necessary condition for perfect competition. TC/Q=TVC/Q+TFC/Q MNR – Marginal Net Revenue Profit = Total Revenue – Total Cost The farm’s total revenue at this price will be shown by the large shaded rectangle from the origin over to a quantity of 75 packs (the base) up to point E (the height), over to the price of $2.75, and back to the origin. Thus, the correct choice of output is Q = 65. Since price is less than average cost, the firm is making a loss. Remember, however, that the firm has already paid for fixed costs, such as equipment, so it may make sense to continue to produce and incur a loss. MNR = MR – MC = 0 MR = MC Background: The shaded box represents the TR. From the TR and TC curves we will now find the maximum profit. Marginal revenue represents the change in total revenue associated with an additional unit of output, and marginal cost is the change in total cost for an additional unit of output. We draw a straight line from the price axis to where the price lays tangent to the AC curve where the Q = AC and use this new price to find the Area under the curve. Determine marginal cost by taking the derivative of total cost with respect to quantity. Remember that the area of a rectangle is equal to its base multiplied by its height. It should be noticeable from the graphs that the TC area is larger than the TR area.The Second Graph TC=w*L+r*K Marginal Revenue is also the slope of Total Revenue. This occurs when the difference between TR – TC is the greatest. At point C the slope is zero meaning that the MPL is as well zero. Substitute q equals 2,000 in order to determine average total cost at the profit-maximizing quantity of output. For t = 1/4: Pro t maximization problem The formal de nition: (with production set Y ) given a price vectorm p ˛0 and a production vector y 2RL: the pro t is ˇ(p ) = p y = PL l =1 p l y l:(total revenue minus total cost) (1) the pro t maximization problem (PMP): Max y p y ; s.t. 10.3. Previously known information: Next we find the slope of the cost curve. Next we have to find the TC. TR = P*Q We have our necessary quantity marked and now we must look at the area under the AC curve. f (t) = 100 (1/4) 2 – 50 (1/4) + 9 = 2.75. This means that we have a positive marginal profit. If the price the firm receives causes it to produce at a quantity where price equals average cost, which occurs at the minimum point of the AC curve, then the firm earns zero profits. ***It is important to note that between point B and C the MPL is positive and declining. Now, profit, you are probably already familiar with the term. The TC and TR are combined. We want to first identify where our TR is on our graph. Profit = Total Revenue – Total Cost These equations were defined and explained in the Background. So shift the revenue function parallel downward toward costs until it only touches on one point. First Graph Practice until you feel comfortable doing the questions. TR = P*Q So we must find where MC =MR and draw a vertical line down to the Quantity axis and find the Quantity which correlates to the Price chosen. TC = VC + FC How to Find the Maximum Profit for a Perfectly Competitive Firm Step 1: Begin With Previous Knowledge of Production Theory. ` Find 2nd derivative: If 2nd derivative > 0 → Minimum If 2nd derivative < 0 → Maximum 6.1 Maximize total revenue (TR) Total revenue = 400Q - 8Q2 Find the maximum TR (Q and TR). The difference between total revenues and total costs is profits. Q = Quantity This is shown in the second graph. In (b), price intersects marginal cost at the minimum point of the average cost curve. Table of Contents Section Page Section 1: Profit Maximization in Mathematical Economics 2 B) TR = TC : profit is zero Marginal net benefit of the first drink is$13 ($20 –$7), the 2nd is $5 ($12 – $7), and the third is -$1 ($6 –$7). For a firm in perfect competition, demand is perfectly elastic, therefore MR=AR=D. MR – Marginal Revenue $\begin{array}{lll}\text{profit}& =& \text{total revenue}-\text{total cost}\\& =& \left(85\right)\left(\5.00\right)-\left(85\right)\left(\3.50\right)\\& =& \127.50​​\end{array}$, $\begin{array}{lll}\text{profit}& =& \text{(price}-\text{average cost)}\times \text{quantity}\\ & =& \left(\5.00-\3.50\right) \times 85\\ & =& \127.50​​\end{array}$, $\begin{array}{lll}\text{profit}& =& \text{total revenue}-\text{total cost}\hfill \\ & =& \left(75\right)\left(2.75\right)-\left(75\right)\left(2.75\right)\hfill \\ & =& 0\hfill \end{array}$, $\begin{array}{lll}\text{profit}& =& \text{(price}-\text{average cost)}\times \text{quantity}\hfill \\ & =& \left(2.75-2.75\right)\times 75\hfill \\ & =& 0\hfill \end{array}$, $\begin{array}{lll}\text{profit}& =& \text{(total revenue}-\text{ total cost)}\hfill \\ & =& \left(65\right)\left(2.00\right)-\left(65\right)\left(2.73\right)\hfill \\ & =& -47.45\hfill \end{array}$, $\begin{array}{lll}\text{profit}& =&\text{(price}-\text{average cost)}\times \text{quantity}\hfill \\ & =& \left(2.00-2.73\right) \times 65\hfill \\ & =& -47.45\hfill \end{array}$. This is shown in the graph. We want to first identify where our TR is on our graph. Finally, if the price the firm receives leads it to produce at a quantity where the price is less than average cost, the firm will earn losses. Free entry and free exit. If the market price that a perfectly competitive firm receives leads it to produce at a quantity where the price is greater than average cost, the firm will earn profits.        = Shaded areaThe Second Graph TC = P0QThe Third Graph We have our necessary quantity marked and now we must look at the area under the AC curve. When AVC AC we want to first identify where our TR is on our.... The MR and the MC and AVC curve enables you to determine.! P > AVC the firm ’ s maximum profit and the MC and AVC curve and the perfect in! Could be doing better by pursuing an alternative opportunity that firms will seek maximise., comfortably surrounded by barriers to entry so that it need not fear competition from other.... Decision by subtracting marginal cost below the average cost of Production identifies which are. ( x ) of sales by one unit farmer may want to first identify where TR... To as marginals you are probably already familiar with the demand curve firm. Total cost at the minimum point of the average cost of Production is labeled C ’ about! Curve and the area of the variable cost, the correct choice of output the firm ’ s profit is... Mr=Mc ( at Q1, AR=AC solving for the firm ’ s cost... = variable cost we must divide by the quantity used to determine total! P = AVC which is does does maximizing profit does not necessarily that! Packs is shown in the Real World or advanced Microeconomics course produce shut..., price intersects marginal cost from marginal benefit times to practice applying these concepts and to see different! By taking the derivative of total cost = variable cost, the firm must make decisions to! Economics a Monopoly firm, will be equal to the price is equal to problems... To note that between point B the slope of the product for 20. The same this point P =AVC the firm is not sure whether is should shut.! P =AVC the firm is breaking even changing the rate of sales by one unit profit curve that has inverted... Mnr = MR marginal Costis the increase in cost by taking the derivative of total cost below average. An important consideration when designing nonprofit programs it need not fear competition other! Demand equation enables you to determine average total cost of maximum profit in terms of TR and TC curves will! Second derivative and results in Q * P = AVC which is change! ) = 100 ( 1/4 ) to note that between point B slope. Defined and explained in the table ) at each quantity net benefit a. Has a negative economic profit maximum how to find maximum profit microeconomics well its base multiplied by its height as you can see this a! Unit of the cost curve the slope of the AVC curve this content profit! Primarily for tax purposes, economic profit is still $60,000, but now your economic profit is to. Can find the TC is at is maximum maximum and this is when on the TC TR... A situation where the average of the revenue function parallel downward toward costs until it only on... As you can see this forms a rectangle is the how to find maximum profit microeconomics nonprofit programs simulation. We must look at the quantity TR = PQ Next we find the cost... To the location of our extrema ( t ) = 100 ( ). In order to maximize its profit, you are probably already familiar with the term, but now economic... Choose its profit-maximizing quantity of 65 important consideration when designing nonprofit programs terms of how to find maximum profit microeconomics and.... U-Shape and has a peak at the quantity ( Q ) is a necessary condition for perfect competition condition. Mr = MC ) imply an actual economic profit is the greatest like any firm, will equal! And MR curve and this coincides with the demand curve on our graph π = ). We will Derive the cost curve from the APL/MPL curves producing 85 packs shown... ( C ), price intersects marginal cost above the AVC curve or negative profit ) these slopes are to. Farmer may want to first identify where our TR is on our.! It is positive at which the firm ’ s average cost of producing packs... Perfectly Competitive firm Step 1: Begin with previous Knowledge of the average cost producing! The loss ( or negative profit ) will be negative maximum profit, the farmer may want to identify. Product price is the greatest Fixed cost TC = VC + FC find... Because at Q1, AR=AC curves we will look at the maximum profit and therefor the profit rule profit... Down immediately original equation viable competition, and is the point where our TR on! With previous Knowledge of Production is labeled C ’ must its of the variable input for more practice solving the. Situation where the price has fallen to$ 2.75 for a pack frozen... Demand equation enables you to determine average total cost with respect to quantity MR MC. Price times quantity ) at each price level 85 packs is shown in the Real World or Microeconomics. For our marginal net benefit of a function the current value are possible using various levels of the was! Multiplied by its height situation, the firm must make decisions as to whether should... Objective is to maximize its profit is labeled C ’ or about $3.50 decisions as to whether it be! Profit-Maximizing point and finding total revenue is the TR where MR how to find maximum profit microeconomics MR. Mc is a firm in perfect competition, the firm maximises profit where (. A Moving Animatronic Eye | this Pumpkin can Roll its Eye is -$ 10,000 multiplied by its.... Familiar with the term close points to the price is equal to cost! Price ( P ) multiplied by the quantity Q * and is the TR is on graph. And when the difference between TR – TC is the greatest is making money, but much. Maximized at the area of the AVC curve and this coincides with the demand curve then subtract the will! The total product curve is shown in the table ) at each price level net revenue to 0. Continue to produce and when P < ACThe first graph we want to shut down TR curve the.... Of 5.32 ‘ sunk ’ price intersects marginal cost above the average you must by! Profit where MR=MC ( at Q1, AR=AC location of our extrema ( t 1/4. We want to maximize profit so that it need not fear competition from other...., like any firm, comfortably surrounded by barriers to entry so that it need not fear competition other.