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A firm selling in a perfectly competitive market has estimated total cost as TC = 3,645...

A firm selling in a perfectly competitive market has estimated total cost as TC = 3,645 + 7Q + 0.2Q2.

  1. Currently the market price is $67 per unit. Find the firm’s optimal output:
  2. If Price = 67, what is the perfect competitor’s economic profit?   
  3. If Market demand is Qx = 4,085 - 5Px, the number of firms currently operating in the market is:
  4. What is your expectation for the future on this market? You must motivate your answer.
  5. Determine the firm’s long-run profit-maximizing output and price.
  6. If Market demand is Qx = 4,085 - 5Px, determine the number of firms that will operate in this market in the long-run:
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