3. Profit maximization using total cost and total revenue curves Suppose Eleanor runs a small business that manufactures shirts. Assume that the market for shirts is a competitive market, and the market price is $20 per shirt. The following graph shows Eleanor's total cost curve. Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for shirts quantities zero through seven (inclusive) that Eleanor produces. 200 175 Total Revenue 150 Total Cost 125 Proft Use the blue points (circle symbol) to olot total NUE (Dollars)

3. Profit maximization using total cost and total revenue curves Suppose Eleanor runs a small business that manufactures shirts. Assume that the market for shirts is a competitive market, and the market price is $20 per shirt. The following graph shows Eleanor's total cost curve. Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for shirts quantities zero through seven (inclusive) that Eleanor produces. 200 175 Total Revenue 150 Total Cost 125 Proft Use the blue points (circle symbol) to olot total NUE (Dollars)

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Output Total Revenue ($) Total Variable Cost ($) Total Fixed Costs 1 1,000 750 500 2 2,000 1,250 500 3 3,000 2,000 500 4 4,000 3,000 500 5 5,000 4,500 500 What is the slope of the total revenue curve? At about how many computers per day do economic profits seem to be at a maximum? Graph the economic model of this firm.
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6. Deriving the short-run supply curve Consider the competitive market for dress shirts. The following graph shows the marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves for a typical firm in the industry. COSTS (Dollars) PRICE (Dollars per shirt) 100 90 80 70 60 50 100 40 90 10 80 0 70 Price (Dollars per shirt) 60 50 20 10 0 0 For each price in the following table, use the graph to determine the number of shirts this firm would produce in order to maximize its profit. Assume that when the price is exactly equal to the average variable cost, the firm is indifferent between producing zero shirts and the profit- maximizing quantity. Also, indicate whether the firm will produce, shut down, or be indifferent between the two in the short run. Lastly, determine whether it will make a profit, suffer a loss, or break even at each price. 15 20 25 55 70 85 10 0 0 0 MC D ATC On the following graph, use the orange points (square symbol) to plot points along the…
11. Profit maximization using total cost and total revenue curves Suppose Edison runs a small business that manufactures shirts. Assume that the market for shirts is a competitive market, and the market price is $25 per shirt. The following graph shows Edison's total cost curve. Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for shirts quantities zero through seven (inclusive) that Edison produces. TOTAL COST AND REVENUE (Dollars) 200 175 150 125 100 0 -25 Ho 0 ☐ 1 ☐ 2 ☐ ▬▬▬ 3 4 5 QUANTITY (Shirts) ■ 6 Total Cost 7 8 O Total Revenue Profit ?
3. Profit maximization using total cost and total revenue curves Suppose Madison operates a handicraft pop-up retail shop that sells phone cases. Assume a perfectly competitive market structure for phone cases with a market price equal to $25 per phone case. The following graph shows Madison's total cost curve. Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for phone cases for quantities zero through seven (including zero and seven) that Madison produces. TOTAL COST AND REVENUE (Dollars) 200 175 150 125 100 75 50 0 * U 0 1 O 2 n D 0 3 QUANTITY (Phone cases) ■ Total Cost O Total Revenue Profit Calculate Madison's marginal revenue and marginal cost for the first seven phone cases they produce, and plot them on the following graph. Use the blue points (circle symbol) to plot marginal revenue and the orange points (square symbol) to plot marginal cost at each quantity.
4. Profit maximization in the cost-curve diagram Suppose that the market for candles is a competitive market. The following graph shows the daily cost curves of a firm operating in this market. Hint: After placing the rectangle on the graph, you can select an endpoint to see the coordinates of that point.
3. Profit maximization using total cost and total revenue curves Suppose Iyana operates a handicraft pop-up retail shop that sells cardigans. Assume a perfectly competitive market structure for cardigans with a market price equal to $25 per cardigan. The following graph shows Iyana's total cost curve. Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for cardigans for quantities zero through seven (including zero and seven) that Iyana produces. TOTAL COST AND REVENUE (Dollars) 200 175 150 125 100 75 50 25 0 -25 D 4 5 QUANTITY (Cardigans) Total Cost 6 Total Revenue A Profit
3. Profit maximization using total cost and total revenue curves Suppose Rian operates a handicraft pop-up retail shop that sells cardigans. Assume a perfectly competitive market structure for cardigans with a market price equal to $25 per cardigan. The following graph shows Rian's total cost curve. Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for cardigans for quantities zero through seven (including zero and seven) that Rian produces. 200 175 150 125 100 75 50 25 0 -25 40 35 30 25 20 15 10 5 0 0 D 0 1 Calculate Rian's marginal revenue and marginal cost for the first seven cardigans they produce, and plot them on the following graph. Use the blue points (circle symbol) to plot marginal revenue and the orange points (square symbol) to plot marginal cost at each quantity. (?) 2 1 3 4 5 QUANTITY (Cardigans) 2 3 QUANTITY (Cardigans) 4 6 Total Cost D 6 7 8 7 O 8 Total Revenue Profit O (?) Marginal Revenue -0 Marginal Cost…
4. Profit maximization using total cost and total revenue curves Suppose Sharon runs a small business that manufactures shirts. Assume that the market for shirts is a price-taker market, and the market price is $10 per shirt. The following graph shows Sharon's total cost curve. Use the blue points (circle symbol) to plot total revenue, and the green points (triangle symbol) to plot profit for the first seven shirts that Sharon produces, including zero shirts. 125 T 100 75 0 -50 30 20 15 0 1 0 2 1 3 4 5 QUANTITY (Shirts) 2 Calculate Sharon's marginal revenue and marginal cost for the first seven shirts she produces, and plot them on the following graph. Use the blue points (circle symbol) to plot marginal revenue and the orange points (square symbol) to plot marginal cost. 3 5 QUANTITY (Shirts) 4 П 6 Total Cost ☐ 6 7 -O 8 Sharon's profit is maximized when she produces which is than would maximize her profit) is $, which is maximizing quantity corresponds to the Intersection of the last…
3. Profit maximization using total cost and total revenue curves Suppose Latasha runs a small business that manufactures teddy bears. Assume that the market for teddy bears is a competitive market, and the market price is $20 per teddy bear. The following graph shows Latasha's total cost curve. Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for teddy bears quantities zero through seven (inclusive) that Latasha produces.
3. GB Motor Company produced 600,000 bikes at a price of $440 each. The company made a profit of $60 million that year. The CEO of the company told a journalist that he intended to reduce the price of their bikes to $360, and he expected to sell 900,000 bikes at that price. a) Did GB Motor Company expect the total revenue they receive from selling the bikes to rise or fall following the price cut?
Calculate Madison's marginal revenue and marginal cost for the first seven cardigans they produce, and plot them on the following graph. Use the blue points (circle symbol) to plot marginal revenue and the orange points (square symbol) to plot marginal cost at each quantity. (?) COSTS AND REVENUE (Dollars per cardigan) 40 35 30 0 0 1 2 5 QUANTITY (Cardigans) 4 6 7 8 Marginal Revenue Marginal Cost Madison's profit is maximized when they produce a total of cardigans. At this quantity, the marginal cost of the final cardigan they produce is $ , an amount than the price received for each cardigan they sell. At this point, the marginal cost of producing one more cardigan (the first cardigan beyond the profit maximizing quantity) is $ , an amount than the price received for each cardigan they sell. Therefore, Madison's profit-maximizing quantity occurs at the point of intersection between the curves. Because Madison is a price taker, the previous condition is equivalent to