29. A firm can signal the high quality of its product by a. spending a large amount of money on advertising. b. getting a patent for the product. c. not worrying about getting a patent for the product. d. spending nothing on advertising to convey that the product is so good that the firm does not even need to advertise. Figure 16-3 This figure depicts a situation in a monopolistically competitive market. 105+ 100- 95 90+ 85 D+ 75 70 65+ 60 55+ 50 45 40 35- 30- 25 20- 15- 10- $41 P MC ATC MR Demand +++++ 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115120 Q 30. Refer to Figure 16-3. What is the profit-maximizing price, quantity, and resulting profit? a. P-$60, Q-40 units, profit-$0 b. P-$75, Q-25 units, profit-$100 c. P-$60, Q-20 units, profit-$200 d. P-$80, Q-20 units, profit-$200