What Is the Profit-Maximizing Rule for a Firm in a Monopolistically

Multiple Choice

What is the profit-maximizing rule for a firm in a monopolistically competitive market

A) Select the quantity at which marginal revenue is equal to marginal cost.
B) Select the quantity at which average total cost is equal to marginal revenue.
C) Select the quantity at which average total cost is at its minimum value.
D) Select the quantity at which average revenue exceeds average total cost.