Exhibit 10-1 A Perfectly Competitive Producer Has the Following Short-Run Average Cost

Exhibit 10-1
A perfectly competitive producer has the following short-run average cost curve and marginal cost curve:
SR AC = 2Q + 3
MC = 4Q + 3
where costs are measured in dollars and Q represents the firm's output in units.
-If the market price of wangdoodles is $15 each, the profit-maximizing producer whose short-run cost curves are given in Exhibit 10-1 should produce ____ wangdoodles.

A) 0 
B) 3 
C) 6 
D) 15