1. A firm sells 150 units of output at a price of $8 each. The economic cost of producing the 150 units of output is $1,000. Calculate the firm's level of economic profit.

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24. The figure to the right illustrates the cost curves of a perfectly competitive firm. If the market price is P1 Price and cost (dollars per pound) ATC AVC 0 D-MR 0₁ 02 03 A. The firm will experience a loss since price is less than ATC. B. The firm will break even by producing a quantity of Q2. C. The firm may make a profit if it can increase the demand for its product. D. The firm will experience a loss and raise its price to P2. The firm will then break even. Quantity (thousands of pounds) 1

3. The components of marginal revenue Alex's Fire Engines is the sole seller of fire engines in the fictional country of Pyrotania. Initially, Alex produced eight fire engines, but he has decided to increase production to nine fire engines. The following graph shows the demand curve Alex faces. As you can see, to sell the additional engine, Alex must lower his price from $80,000 to $40,000 per fire engine. Note that while Alex gains revenue from the additional engine he sells, he also loses revenue from the initial eight engines because he sells them all at the lower price. Use the purple rectangle (diamond symbols) to shade the area representing the revenue lost from the initial eight engines by selling at $40,000 rather than $80,000. Then use the green rectangle (triangle symbols) to shade the area representing the revenue gained from selling an additional engine at $40,000. dollars per fire engine) PRICE (Thousands Alex 200 180 160 140 120 100 80 60 40 20 0 0 + 1 True + False 2 + 4…