Multiple Choice
A carpenter hammers nails each day at work.The average number of nails hammered over the first three hours is 50,and the marginal product of the fourth and fifth hours of work is 40 and 20 nails,respectively.The total output after five hours work is _____ nails.
A) 150
B) 110
C) 210
D) 60
Correct Answer:

Verified
Correct Answer:
Verified
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