One Key Purpose of Economic Regulation Is

One key purpose of economic regulation is

A) to force a firm to produce at the point at which marginal cost equals marginal revenue.
B) to control the quality of service provided by a monopolist.
C) to control the price that regulated enterprises are allowed to charge.
D) to focus on the impact of production on the environment and society, the working conditions under which goods and services are produced, and sometimes the physical attributes of goods.