If the monopolist's demand curve is P = 90 - 3Q,then the price at which marginal revenue is equal to zero is
A) $90 per unit.
B) $45 per unit.
C) $30 per unit.
D) $15 per unit.
E) $3 per unit.

Name: If the monopolist's demand curve is P = 90 - 3Q,then the price at which marginal revenue is equal to zero is A) $90 per unit. B) $45 per unit. C) $30 per unit. D) $15 per unit. E) $3 per unit.
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Question

Quizplus · Accepted Answer

MR = 90 - 6Q = 0Q = 15P = 90 - 3(15) = $45

If the Monopolist's Demand Curve Is P = 90 -