Multiple Choice
If both the marginal cost and the average variable cost curves are U-shaped,which of the following is true over the range of output for which the average variable cost curve has a negative slope?
A) The marginal cost curve must have a negative slope.
B) The average total cost curve must have a negative slope.
C) The marginal cost curve is below the average variable cost curve.
D) both (b) and (c) are correct.
Correct Answer:

Verified
Correct Answer:
Verified
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