Exhibit 21-8 Exhibit 21-8 shows how output varies with the only variable input used in its production. Marginal physical product of the fifth unit of labor is
A)0.
B)20.
C)50.
D)172.

Question

Exhibit 21-8  Exhibit 21-8 shows how output varies with the only variable input used in its production. Marginal physical product of the fifth unit of labor is
A)0. 
B)20. 
C)50. 
D)172.

Quizplus · Accepted Answer

The Answer of Exhibit 21-8  Exhibit 21-8 shows how output varies with the only variable input used in its production. Marginal physical product of the fifth unit of labor is
A)0. 
B)20. 
C)50. 
D)172.

Exhibit 21-8 Exhibit 21-8 Shows How Output Varies with the Only