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Profit Maximization Equations, Solutions
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Economic Optimization 25
Harcourt Brace & Company
Then, total profit is:
26 Chapter 2
Harcourt Brace & Company
= TR - TC= $50Q - $78,000 - $18Q - $0.002Q2
= $0.002Q2 + $32Q - $78,000= $0.002(8,0002) + $32(8,000) - $78,000= $50,000
P2.7 Profit Maximization: Equations. 21st Century Insurance offers mail-order automobileinsurance to preferred-risk drivers in the LosAngelesarea. The company is the low-costprovider of insurance in this market but doesn't believe its $750 annual premium canberaised for competitivereasons. Its rates are expected to remain stable during comingperiods; hence, P = MR = $750. Total and marginal cost relations for the company areas follows:
TC = $2,500,000 + $500Q + $0.005Q2
MC = $500 + $0.01Q.A. Calculate the profit-maximizing activity level.B. Calculate the company's optimal profit and return-on-sales levels.
P2.7 SOLUTIONA. Set MR = MC and solve for Q to find the profit-maximizing activity level:
MR = MC$750 = $500 + $0.01Q