Multiple Choice
The efficient scale of one firm is 20 units and the average total cost at the efficient scale is $30.The quantity demanded in the market as a whole at $30 is 40 units.This market is
A) a natural duopoly.
B) a legal duopoly.
C) a natural monopoly.
D) a legal monopoly.
E) monopolistically competitive.
Correct Answer:

Verified
Correct Answer:
Verified
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