Exhibit 6-4 -Refer to Exhibit 6-4. Assume That Fixed Costs Equal $30

Multiple Choice

Exhibit 6-4
-Refer to Exhibit 6-4. Assume that fixed costs equal $30. If the price is $20, the profit that results at the profit-maximizing output level is

A) $50.
B) $38.
C) $20.
D) -$4.
E) $80.