The following figure shows the marginal cost curve, average total cost curve, average variable cost curve, and marginal revenue curve for a firm for different levels of output in a perfectly competitive market.

1. Assuming that price at 0R is $10, the profit maximizing level of output for the firm is _____.

2. Is the firm making zero economic profit?

3. At the profit-maximizing level of output, the profit of the firm is equal to the area given b y _____.

4. At the output level of OC, average profit per unit of output is equal to _____.

5. At the profit-maximizing level of output, the total revenue of the firm is equal to the area given by _____.

6. Maximum profit per unit is equal to _____.

7. At the output level OB, total profits equal the area given by _____.

8. At the output level OC, average fixed cost is equal to _____.

9. At the output level OB, total profits equal the area given by _____.

10. If the market price is $10, average revenue _____.