Multiple Choice
The following information is for a public good.Pa and Pb are the prices that individuals A and B are willing to pay for the last unit of a public good, rather than do without it.These people are the only two members of society.Refer to the data below.If the marginal cost of this good at the optimal quantity is $4, the optimal quantity must be:
A) 1 unit.
B) 2 units.
C) 3 units.
D) 4 units.
Correct Answer:

Verified
Correct Answer:
Verified
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