Multiple Choice
If the long-run total cost curve for each firm is given by TC = 500Q - 20Q2 + Q3, where Q is the quantity of the product, in the long run, the marginal cost is:
A) 500Q - 20Q2 + Q3.
B) 500 - 40Q + 3Q2.
C) 500 - 20Q + Q2.
D) -20Q2 + Q3.
Correct Answer:

Verified
Correct Answer:
Verified
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