If four workers can produce 18 chairs a day and five can produce 20 chairs a day, the marginal product of the fifth worker is
A)2 chairs.
B)3 chairs.
C)4 chairs.
D)38 chairs.

Question

Quizplus · Accepted Answer

The marginal product of the fifth worker is the additional output produced by adding one more worker. With four workers, 18 chairs are produced, and with five workers, 20 chairs are produced. Therefore, the marginal product of the fifth worker is 20 - 18 = 2 chairs.

If Four Workers Can Produce 18 Chairs a Day and Five