Refer to the information provided in Figure 13.2 below to answer the question(s) that follow.  Figure 13.2 Refer to Figure 13.2. The marginal revenue of the fourth pound of cheese is

If the bidders at a first-price auction have true values of $8, $7, $6, and $5, the item will sell for

a. $8 b. $7 c. just over $8 d. just under $7

Good Boy Super Treats produces healthy treats for dogs. At its current advertising level, Good Boy Super Treats marginal cost of advertising is $1 million and their marginal benefit is $1 million. Which of the following is true?

A) If the firm increases the amount of advertising, its net profit will increase. B) The firm should increase the amount of advertising to increase its net profit. C) The firm is currently maximizing its net profit. D) If the firm decreases the amount of advertising, its net profit will increase.