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单选题 In the context of the long-run equilibrium in a competitive industry, what does it mean when the demand curve (AR) is tangential to the firm's long-run average cost curve? ( )

A. The firm is experiencing supernormal profits

B. The firm is operating at a loss

C. The firm is earning normal profits

D. The firm is maximizing its production output

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时间:2023-12-30 14:43:14

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