EP ECONOMICS,AP EDITION-CONNECT ACCESS
20th Edition
ISBN: 9780021403455
Author: McConnell
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Question
Chapter 10.3, Problem 2QQ
To determine
Changes in marginal cost and marginal revenue.
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A profit-maximizing firm in a competitive market is currently producing 500 units of output. It has
average revenue of $10, average total cost of $8, and fixed costs of $200. a. What is its profit? b.
What is its marginal cost? c. What is its average variable cost? d. Is the efficient scale of the firm more
than, less than, or exactly 100 units?
Price
MC
ATC
IC
MR
Quantity
a. What area(s) of the graph represent(s) total revenue for this firm if it was profit
maximizing?
b. What area(s) of the graph represent(s) total cost for this firm if it was profit
maximizing?
c. What area(s) of the graph represent(s) profits for this firm if it was profit maximizing?
d. What area(s) of the graph represent(s) deadweight loss if the firm was profit
maximizing?
i. Calculate the marginal cost, marginal revenue and profit for each unitof production. ii. How many units should the firm produce to maximise profit?
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- Marginal profit is negative when A. output exceeds the profit-maximizing level. B. total cost exceeds total revenue. C. marginal revenue is negative. D. profit is negative.arrow_forwardIf a firm's profit margin is negative, this means that: a. The average cost is above the price. b. The price is below the marginal cost. c. The firm is making losses for all levels d. All options are correct.arrow_forwardWhat is true with profit maximization of the firm using the Total Revenue Total Cost approach? PLEASE EXPLAIN A. The only requirement to find the optimal output that maximizes economic profit is that the difference between the total revenue and the total cost is the highest B. The total revenue should be lower than the total cost C. The total revenue should be higher than the total cost D. A and B are correct E. A and C are correctarrow_forward
- Price, P (dollars per pound) 10 0 QUESTION 5: COST STRUCTURES Feasible set 20,000 40,000 60,000 Quantity of Cheerios, Q (pounds) ● Isoprofit curve: $60,000 ● Isoprofit curve: $34,000 Isoprofit curve: $10,000 Isoprofit curve: $0 Demand curve 80,000 The figure to the left shows the isoprofit curves and demand curve for Cheerios breakfast cereal. Draw a diagram to show how the figure would change in each of the following cases. To make sketching the curves easier, assume the demand curve is linear. In each case, can you say what would happen to the price and the profit? a) A rival company producing a similar brand slashes its prices. b) The cost of producing Apple-Cinnamon Cheerios rises to $3 per pound. c) General Mills introduces a local advertising campaign costing $10,000 per week.arrow_forwardPlease solve Fast i give 2 like Which of the following is not true according to Figure 1? Hide Transcribed Text Figure 1: Cost and Price AC : Average Cost, AVC: Average Variable Cost, and MC: Marginal Cost A) The firm earn a zero economic profit when it produces 40 unit at the price of $5.7 per unit. B) The minimum acceptable price (the shut-down point) is $4.3 per unit. C) The firm's supply curve is its MC curve above minimum of AVC. D) The firm earns an economic profit when the price exceeds $4.3 per unit.arrow_forwardSuppose fixed costs are $10,000, variable costs are $40,000 and the price of the good is $10 and quantity of the good the firm sells is $10,000. A. Caluclate Total Costs. B. Caluclate Total Revenue. C. Calculate the Firm's Profits.arrow_forward
- Laura’s cleaning service is a profit-maximising, competitive firm. Laura cleans awhole house for $156. Her total cost each day is $1680, of which $480 is a fixed cost. She cleans 8 houses a day.(a)Should Laura shutdown her business in the short-run, assuming that she cannot recover her fixed cost?(b) Should she exit in the long-run?arrow_forwardIn the short run a firm should shut down when; A. When price is below MC B. When price is below minimum point of AVC C. When it is not earning a positive economic profit D. It is incurring a lossarrow_forwardCost MC Select one: ATC AVC ABC D Quantity C in the figure above represents the output level where the firm Quantity a. maximizes profits in the short-run. b. minimizes total costs in the short-run. C. maximizes profits in the long-run. d. minimizes marginal costs in the long-run. e. None of the above.arrow_forward
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