Question

the marginal product of the fourth worker is

a. 60
b. 140
c. 20
d. 40

Answer 1

when output is 10,
a. average variable cost equals $10
b. total cost equals $10
c. marginal cost equals $1
d. total fixed cost equals $1
e. average fixed cost equals $10

Answer 2

1.a
2.c

Answer 3

1. I was thinking it was 40 units because at 3 workers, TP=100, and adding another worker gets you to 140, so MP = 140-100 = 40

2. Correct