Why Is a Monopoly Considered to Be an Inefficient Market

Multiple Choice

Why is a monopoly considered to be an inefficient market?

A) In a monopoly market,consumers gain surplus at the cost of the producer.
B) A monopoly firm produces at the level where price is equal to marginal cost.
C) A monopoly market is characterized by a deadweight loss.
D) A monopoly firm profitably increases prices irrespective of demand.