(Figure: Revenues and Costs and Output I) Which of the Following

Multiple Choice

(Figure: Revenues and Costs and Output I) Which of the following statements is (are) TRUE? I. The profit-maximizing output level is approximately 9 units.
II) Profits are negative at 16 units of output.
III) Marginal revenue equals marginal cost at 2 and 14 units of output.

A) II and III
B) III
C) I
D) I and II