An Important Difference Between a Perfectly Competitive Firm and a Monopolist

Multiple Choice

An important difference between a perfectly competitive firm and a monopolist is that

A) the perfectly competitive firm tends to be larger
B) only the monopolist attempts to maximize profit
C) only the perfectly competitive firm maximizes profit
D) the perfectly competitive firm faces a horizontal demand curve and the monopolist faces a downward-sloping demand curve
E) only the monopolist maximizes profit at the quantity where marginal cost equals marginal revenue