Economics (Irwin Economics)
21st Edition
ISBN: 9781259723223
Author: Campbell R. McConnell, Stanley L. Brue, Sean Masaki Flynn Dr.
Publisher: McGraw-Hill Education
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Question
Chapter 10.3, Problem 4QQ
To determine
Changes in marginal revenue and marginal cost.
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The competitive firm maximizes its profit by operating at the point where _____ and price is greater than average variable cost.
a. average cost is at a minimum
b. total revenue is at a maximum
c. profit per unit is at a maximum
d. marginal cost equals price
Suppose a car firm's marginal revenue of selling a car is $2,100 and marginal cost of producing a car is $2,150. In this case, producing one more car will...
a. increase profit
b. decrease profit
c. neither increase nor decrease
d. not enough info
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.
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than, less than, or exactly 100 units?
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- Using the graph for the questions : A. There are fixed costs of $50 no matter what the output level is. Fill in the fixed cost column B. Fill in the total costs column C. Fill in the marginal costs column D. This is a perfectly compatible firm . The market price for the output they produce is $40/ unit of output. Fill in the marginal revenue column E. Fill in the total revenue column F. Fill in the profit column G. What is the profit maximizing level of outputarrow_forwardThe following figure shows the total cost and total revenue for a firm when it prices its products at $8 and $10. Price A 0 C H F JG 1. total fixed costs are OA. 2. economic profits equal BH. 3. average cost equals DG divided by OG. 4. total cost is minimized at B. TC TRO (P=$10) TR1 (P=$8) Output When the firm is producing the profit-maximizing level of output at a price of $10:arrow_forwardA firm in competitive market has demand and total cost functions as follows: P-2600-100 TC-2.5Q+1000 + 5000 a. What are fixed cost (FC), variable cost (VC), average total cost (ATC) and marginal cost (MC) b. In order to maximize profits, what are price and quantity? Calculate the maximum profitarrow_forward
- A profit-maximizing firm in a competitive market is currently producing 100 units of output. It has average revenue of $10, average total cost of $8, and fixed cost 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?arrow_forwardConsider the diagram below depicting the revenue and cost conditions faced by a monopolistically competitive firm, and then answer the following questions. $40 $35 $30 MC ATC $25 $20 $17.50 $15 $10 $4.40 $5 3.25 MR Demand 1 3 4 5 6 7 8 9 10 Quantity Price and costs ....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
- i. Calculate the marginal cost, marginal revenue and profit for each unit of production. ii. How many units should the firm produce to maximise profit?arrow_forwardPart A. When the demand curve is given by P1 = $30, and the firm behaves optimally in the short run, what is the total revenue? A. $ 900 B. $1350 C. $800 D. $2400 Part B. When the demand curve is given by P1 = $30, how much profit is this producer earning? A. $ 500 B. $ 800 C. $ 1200 D. $ 1600 Part C. Does the graph above represent the firm’s short run equilibrium or long run equilibrium, for a given price? A. short run B. long run C. short run or long run D. neither short run nor long runarrow_forwardA firm's faces a constant output price of $5. It produces 37 units and incurs a MC of $3. Which of the following is true? Select all that apply. A. The firm is perfectly competitive because it faces a horizontal straight line demand curve. B. The firm is perfectly competitive because it faces a horizontal straight line Average Revenue graph. C. The firm's marginal revenue is $5. D. The firm's Total Revenue equals $185. E. The firm's Total Cost equals $111.arrow_forward
- The table below shows cost and revenue information for Choco Lovers, a purely competitive firm producing different quantities of chocolate gift boxes. Fill in the blanks in the table. Instructions: Enter your answers rounded to two decimal places. Quantity of Gift Boxes 20 25 30 35 40 45 b. Total revenue = Choco Lovers Cost and Revenue TC ($) ATC ($) 5.75 5.50 5.42 c. Profit = $ 227.50 d. Profit per unit = $ 115.00 137.50 162.50 192.50 232.50 282.50 Assume the profit-maximizing price is $8 per gift box, and then answer the following questions: a. Profit-maximizing quantity = 35 gift boxes 12 5.81 6.28 MC ($) per gift box 5.00 4.50 5.00 6.00 8.00 10.00arrow_forwardPerfect Competition MC - Marginal Cost MR - Marginal Revenue ATC - Average Total Cost Refer to the figure above. If this firm is producing the profit-maximizing quantity and selling it at the profit-maximizing price, the firm's total revenue will be: $240 $90 $60 $180arrow_forwardFirms experience a break even point when a. Total revenue is greater than total cost b. Marginal cost os equal to marginal revenue c. Average fixed cost is equal to average variable cost d. Marginal revenue is zeroarrow_forward
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