In a perfectly competitive industry, each firm has the following long run (total) cost function: C = q² – 50q² + 750q Where q is the firm's output. The market demand function is Q = 2,000 – 4p where Q is the market output and p is the market price. a. Find the long-run market supply curve for this industry. b. Find the number of firms in this industry in the long run. C. Suppose the government imposes an excise tax of $50 per unit of output. Find the number of firms in this industry in the long run.

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