Market for Athletic Apparel $24 $22 $20 $18 $16 $14 $12 $10 $8 $6 $4 $2 Costs and Revenues (dollars) 0 20 20 40 40 MC ATC 60 50 D MR 80 80 100 120 140

Enter your answer as a whole number. If you are entering a negative number include a minus sign.

a. To maximize its profits, the firm should produce  units and charge a price of $  .

b. At the profit-maximizing level of output, average total cost per unit is $  .

c. At its profit-maximizing level, profits are $  .