Exhibit 13-1 -Refer to Exhibit 13-1. If Output Price Is $12 and Is

Multiple Choice

Exhibit 13-1
-Refer to Exhibit 13-1. If output price is $12 and the weekly wage is $300, the marginal revenue product of the fourth worker is

A) $12.
B) $75.
C) $192.
D) $18.75.
E) $300.