In a perfectly competitive market with a constant cost industry, there are currently 100 identical firms, each with the total cost function TC(Q) = Q2 + 4Q + 36. The market demand is Q = 1800 – 50p. What is the price at the short-run equilibrium? What is the net profit/loss of each firm at this price?

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Chapter22: Perfect Competition
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In a perfectly competitive market with a constant cost industry, there are currently 100 identical firms, each with the total cost function TC(Q) = Q2 + 4Q + 36. The market demand is Q = 1800 – 50p.

What is the price at the short-run equilibrium? What is the net profit/loss of each firm at this price?

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