A textbook publisher is in monopolistic competition. If the firm spends nothing on advertising, it can sell no books at $100 a book, but for each $10 cut in price, the quantity of books it can sell increases by 20 books a day. The firm's total fixed cost is $2,400 a day. Its average variable cost and marginal cost is a constant $20 per book. If the firm spends $1,200 a day on advertising, it can increase the quantity of books sold at each price by 50 percent. Compared to the situation if it does not advertise, if the firm advertises,the profit-maximizing price: A)falls by $10. B)rises by $5. C)rises by $10. D)does not change

Economics:
10th Edition
ISBN:9781285859460
Author:BOYES, William
Publisher:BOYES, William
Chapter26: Monopolistic Competition And Oligopoly
Section: Chapter Questions
Problem 10E
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A textbook publisher is in monopolistic competition. If the firm spends nothing on advertising, it can sell no books at $100 a book, but for each $10 cut in price, the quantity of books it can sell increases by 20 books a day. The firm's total fixed cost is $2,400 a day. Its average variable cost and marginal cost is a constant $20 per book. If the firm spends $1,200 a day on advertising, it can increase the quantity of books sold at each price by 50 percent. Compared to the situation if it does not advertise, if the firm advertises,the profit-maximizing price:

A)falls by $10.

B)rises by $5.

C)rises by $10.

D)does not change. 

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