Multiple Choice
The figure above shows the marginal benefit of additional minutes in a cell-phone plan.The marginal cost is constant at $0.10 per minute.
-It is optimal to buy more cell-phone time as long as
A) marginal benefit exceeds marginal cost.
B) marginal cost exceeds marginal benefit.
C) average benefit exceeds average cost.
D) average cost exceeds average benefit.
E) marginal benefit exceeds zero.
Correct Answer:
Verified
Correct Answer:
Verified
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