Quantity 10 20 30 40 Fixed Cost 200 200 200 200 Variable Cost 50 100 300 800 Total Cost 250 300 500 1000 Based on the aforementioned chart for a company that is perfectly competitive: A) Calculate the marginal cost using X B) Determine the quantity that will maximize profits if the equilibrium price is $20. C) What kind of profit will the company make? Marginal Cost 0 5 20 X

If a perfectly competitive firm's average total cost is less than the price, then the firm A) incurs an economic loss. B) makes an economic profit. C) makes zero economic profit. D) makes either zero economic profit or an economic profit depending on whether the marginal revenue is equal to or greater than the price. E) None of these answers is correct because the relationship between the price and average total cost has nothing to do with the firm's profit.

Which of the following are perfectly competitive markets? Market Tomato Growing Coffee vendor Manufacturing computers Constructing new homes Perfectly Competitive? Yes Yes No Yes Number of Firms Few Many Few Many Type of Product Identical or Differentiated Identical Differentiated Identical Ease of Entry High High Low High

The graph on the right shows cost curves for a perfectly competitive firm. Firm's Supply Curve Use the point drawing tool to identify price-quantity combinations for the prices of $20, $30, $50, and $80 per unit of output. 120- MC 110- Carefully follow the instructions above, and only draw the required objects. 100- AC 90- If there are 100 identical firms in the market, what will be the market supply (to the 80- nearest 100) at these prices? 70- AVC Price Market Supply 2 60- $20 9 50- $30 40- $50 30 20- $80 10- 0- 100 120 140 160 180 Output 20 40 60 80 étv 20 MacBook Air DII 80 F9 F5 F3 F2 #3 $ & 3 4 5 6 9 { E R Y P F G H J K > C V N M command op レレ .... P. AC, AVC, MC B ト