Refer to the Information Provided in Figure 10

Multiple Choice

Refer to the information provided in Figure 10.2 below to answer the questions that follow. Figure 10.2
-Refer to Figure 10.2. This firm's marginal cost curve has shifted from MC0 to MC1. A likely explanation for this is that

A) the productivity of a variable input declined.
B) the price of a variable input decreased.
C) the demand for the firm's product decreased.
D) the supply of a variable input decreased.