Multiple Choice
The figure above shows some of a firm's cost curves.
-A firm's utility bill is a variable cost.If the cost of utilities increases,then in the figure above ________ upward.
A) only curve A shifts
B) only curve B shifts
C) only curve C shifts
D) both curves A and C shift
E) both curves B and C shift
Correct Answer:

Verified
Correct Answer:
Verified
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