If Jakob, who runs a sports jersey assembly factory, knows the marginal cost of producing the seventh sports jersey is $21, then the total cost of seven sports jerseys is:
A)$21.
B)$60.
C)$147.
D)The answer cannot be determined from the information provided.

Question

Quizplus · Accepted Answer

The marginal cost of producing the seventh jersey only tells us the cost of producing that specific jersey, not the total cost of producing all seven jerseys. Additional information about the costs of producing the first six jerseys is needed to determine the total cost.

If Jakob, Who Runs a Sports Jersey Assembly Factory, Knows