The Problem with Monopolies Is Their Ability (I) to Do Away

Multiple Choice

The problem with monopolies is their ability (i) to do away with barriers to entry.
(ii) to price their product at a level that exceeds marginal cost.
(iii) to restrict output below the socially efficient level of production.

A) (i) and (ii)
B) (ii) and (iii)
C) (iii) only
D) (i) , (ii) , and (iii)