Multiple Choice
The production function is f (L, M) = 4
, where L is the number of units of labor and M is the number of machines. If the amounts of both factors can be varied and if the cost of labor is $64 per unit and the cost of using machines is $1 per machine, then the total cost of producing 20 units of output is
A) $80.
B) $650.
C) $20.
D) $320.
E) $40.
Correct Answer:

Verified
Correct Answer:
Verified
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