Which of the following statements about a monopolistically competitive firm is TRUE?
A monopolistically competitive firm maximizes profits by charging a price equal to marginal cost.
A monopolistically competitive firm produces the quantity at the point at which the demand curve crosses the marginal cost curve.
A monopolistically competitive firm maximizes profits when it produces the quantity at which marginal cost equals marginal revenue.
A monopolistically competitive firm does not always equate marginal cost to marginal revenue because it uses other means to maximize profits.