contestada

Economic efficiency is defined as a market outcome in which the marginal benefit to consumers of the last unit produced is equal to the marginal cost of production, and in which:____.
A. he sum of the benefits to firms is equal to the sum of the benefits to consumers.
B. Economic surplus is minimized.
C. The sum of consumer surplus and producer surplus is at a maximum.
D. The sum of consumer surplus and producer surplus is minimized.