EBK PRINCIPLES OF MICROECONOMICS (SECON
2nd Edition
ISBN: 9780393616149
Author: Mateer
Publisher: W.W.NORTON+CO. (CC)
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Chapter 9, Problem 13SP
To determine
The profit-maximizing level of output.
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Sergio Lopez is a publisher of Latin American poetry. His fixed cost is $525, and the cost to produce each individual copy of his book is $3.50. Currently, Sergio is selling these books for $6 each. So far this year, he has produced x
a. Write a linear cost function C for Sergio’s book production, in terms of x.
b. Find the linear revenue function R for selling x copies of the book. Remember that P(x) = (price)x.
c. Use and 1b. to determine the profit function P for selling x books. Write the formula in simplified form.
d.Use your answer for 1c to determine the profit, in dollars, for selling 300 books.
Why should a firm shut down if its average variable cost curve is above the price of their product?
Using the given values in the table, illustrate a cost curve for this firm. Be as precise as possible.
Chapter 9 Solutions
EBK PRINCIPLES OF MICROECONOMICS (SECON
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- a) Suppose in the short-run, the amount of machines she has is fixed at 27. How many mixers should she use? How many baklavas will she produce? How much profit will she make? Using an isoprofit line, as well as the production function, draw a diagram of your solution and label all the intercept and slopes b) In the long-run, how many mixers should she use? How many machines? How many baklavas will she make? c) Suppose that the government decides to provide a $1 subsidy per mixer. What is the profit-maximizing amount of each input to use now?arrow_forwarda) suppose in the short run the amount of machines she has is fixed at 27. How many mixers should she use? How many baklavas will she produce? How much profit will she make? b) using an isoprofit line, as well as the production function, draw a diagram of your solution from a). Carefully label all the slopes and intercepts. c) In the long run, how many mixers should she use? How many machines? How many baklavas will she make?arrow_forwardSuppose there are 7 firms in this industry, each of which has the cost curves previously shown.arrow_forward
- The graph below shows the marginal cost (MC), average variable cost (AVC), and average total cost (ATC) curves for a firm in a competitive market. These curves imply a short-run supply curve that has two distinct parts. One part, not shown, lies along the vertical axis (quantity-0); this represents a condition of production shutdown. Where is the other part? Use the straight-line tool to drawit. To refer to the graphing tutorial for this question type, please click here Price and cost 18 15 14 13 12 10 19/21 SUBMIT ANSWER 13 OF 21 QUESTIONS C OMPLETED 28 MacBook Pro 금□ F7 F8 F9 F1o F2 F3 F5arrow_forwardRefer to the figure below. If the firm is producing the level of output that maximizes profit, its total variable cost of production is:arrow_forwardTOTAL COST AND REVENUE (Dollars) -25 Suppose Lorenzo runs a small business that manufactures teddy bears. Assume that the market for teddy bears is a price-taker market, and the market price is $10 per teddy bear. The following graph shows Lorenzo'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 teddy bears that Lorenzo produces, including zero teddy bears. 125 Total Cost 100 Total Revenue 75 -50 1 2 5 6 QUANTITY (Teddy bears) Profit Calculate Lorenzo's marginal revenue and marginal cost for the first seven teddy bears he 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. ? COSTS AND REVENUE (Dollars per teddy bear) 2 3 5 QUANTITY (Teddy bears) Marginal Revenue Marginal Cost Lorenzo's profit is maximized when he produces teddy bears. When he does this, the marginal…arrow_forward
- Given the information from the graph below, draw the cost curve of the firm showing the minimum costs corresponding to the level of output.arrow_forwardThe relationship between the firm's average variable, average total, and marginal cost curves above: Marginal Reveue = Price = US $ 2.50 ; a) Use the graph to find the Firm's profit-maximizing output. b) If the firm maximizes its profit, how much profit does it make (about)? Should the firm stay in business? c) Will other firms with costs the same as Firms enter the market? Explain.arrow_forwardQ#2. The water bottle manufacturing company in Muscat facing the following demand function P=1000-10Q. The cost accountant at the company by evaluating the costs has given the average cost function as ATC=200+15Q. The manager of the company with presented information above requested you to work on it and help the company to determine the level of output that brings maximum profit. Secondly, the manager also wants to know the total level of profit at the maximum output.arrow_forward
- Kristin runs a rare book store. Last year, she earned $35,000 in revenue and had explicit costs of $8,000. Kristin could have made $29,750 working for a security company and received an additional $5,000 if she had used the company's inputs in a different way. Calculate Kristin's economic profit. $arrow_forwardAt what output rate does the firm maximize profit or minimize loss?arrow_forwardSuppose the firm achieves total revenue of $1,000 by selling 150 units while facing total costs of $900. If the firm produces and sells 151 units, its total revenue is $1,005, and its total costs are $950. Should the firm produce and sell the extra unit? Group of answer choices yes, since marginal profit is positive yes, since profits are positive no, since marginal profit is negative no, since marginal profit is positive You have recently learned that the company where you work is being sold for $1,000,000. The company's income statement indicates next year's profits of $30,000, which have yet to be paid out as dividends. Assuming the company will remain a "going concern" indefinitely and the interest rate will remain constant at 7%, at what (constant) rate does the owner believe that profits will grow? (Hint: the price the owner was willing to pay is the present value of the firm's future cash flows) Group of answer choices 6% 5% 4% 4.5%arrow_forward
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