3. For a monopolist, marginal revenue is
(A) equal to price, as it is for a perfectly competitive firm.
(B) less than price, as it is for a perfectly competitive firm.
(C) equal to price, whereas marginal revenue is less than price for a perfectly competitive firm.
(D) less than price, whereas marginal revenue is equal to price for a perfectly competitive firm.

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統計： A(0), B(0), C(0), D(1), E(0) #2853778