Table 12-2 -Refer to Table 12-2. This Table Describes the Number of Describes

Multiple Choice

Table 12-2

-Refer to Table 12-2. This table describes the number of baseballs a manufacturer can produce per day with different quantities of labor. Each baseball sells for $5 in a competitive market. If the firm is maximizing the marginal product of labor, what is the firm's marginal revenue product?

A) 140 baseballs.
B) $300.
C) $400.
D) $700.