Answer. (b) 75
Explanation: Profit maximising output occurs where marginal cost is equal to marginal revenue. So 200-2q=50. So 200-50=2q. So 150=2q. And q=150/2 = 75. Thus the profit maximising quantity is 75 units.
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Afirm's marginal revenue of MR = 200-24, and marginal cost of MC = 50. The profit-maximizing...
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