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Pfizer has developed a new cold medicine. For efficient delivery, the new medicine requires an inhaler, which can be produced at a constant marginal cost of $2 per inhaler. Pfizer has a patent that gives it a monopoly on its inhaler. If Pfizer were operating under perfect competition instead of monopoly, the consumer surplus would be: Scenario: Cold Medicine for Pfizer Demand curve: P = 10 - 0.50 Marginal revenue curve: MR = 10 - Q Marginal cost = Average total cost = 2