What is the marginal product of the third hour of? labor?

The following is a hypothetical short-run production function:

Hours of    Total          Marginal

Labor        Output       Product

   0               ___             ___

   1               100             100

   2               ___               80

   3               240             ___

A. 60
B. 80
C. 100
D. 240


Answer: A. 60

Economics

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