Multiple Choice
If 6 workers can wash 42 cars a day and 7 workers can wash 50 cars a day,then the marginal product of the 7th worker equals
A) 7.1 cars a day.
B) 7 cars a day.
C) 42 cars a day.
D) 50 cars a day.
E) 8 cars a day.
Correct Answer:

Verified
Correct Answer:
Verified
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