Problem 1Advanced Electronics (AE) is a computer chip manufacturer. It has monthly fixed costs of $4,000,000. Its marginal costs are $1.00 per chip.· What happens if sales fall by 20% from 3,000,000 to 2.400.000 chips per month?• What happens to average fixed costs (AFC) per chip and the marginal costs per widget?• If sales fall by 20 percent from 3 million chips per month to 2,400,000 chips per month, what happens to the AFC per paper, the MC per paper, and to the minimum amount that you must charge to break even on these costs?Hint: Here Marginal Cost (MC) is constant, which implies that Average Variable Cost (AVC) is constant and equals MC. This does not imply Average Total Cost (ATC) is constant or has to equal MC. Total Cost (TC) = Fixed Cost (FC) + Variable Cost (VC). Divide through by the quantity Q, which implies TC/Q = FC/Q + VC/Q. This gives us ATC = AFC + AVC.

ENGR.ECONOMIC ANALYSIS
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Problem 1Advanced Electronics (AE) is a computer chip manufacturer. It has monthly fixed costs of $4,000,000. Its marginal costs are $1.00 per chip.· What happens if sales fall by 20% from 3,000,000 to 2.400.000 chips per month?• What happens to average fixed costs (AFC) per chip and the marginal costs per widget?• If sales fall by 20 percent from 3 million chips per month to 2,400,000 chips per month, what happens to the AFC per paper, the MC per paper, and to the minimum amount that you must charge to break even on these costs?Hint: Here Marginal Cost (MC) is constant, which implies that Average Variable Cost (AVC) is constant and equals MC. This does not imply Average Total Cost (ATC) is constant or has to equal MC. Total Cost (TC) = Fixed Cost (FC) + Variable Cost (VC). Divide through by the quantity Q, which implies TC/Q = FC/Q + VC/Q. This gives us ATC = AFC + AVC.Problem 2Assume that the cost data in this table are for a purely competitive producer:TotalProductAverageFixed CostAverageVariable CostAverageTotal CostMarginalCost0201$50.00$20.00$70.001222516.0041.508316.6613.3426.008412.501123.504510.009.6019.60668.349.0017.341077.149.1416.281686.2610.0016.262895.5612.0017.5642105.0015.0020.00• At a product price of $20.00, how much economic profit can be achieved at each level of output?• Use the price of $8 to answer the questions above.• Use the price of $14 to answer the questions above. Problem 3A firm in a purely competitive industry is currently producing 1000 units per day at a total cost of $450. If the firm produced 800 units per day, its total cost would be $300, and if it produced 500 units per day, its total cost would be $275.• What is the firm’s ATC per unit at these three levels of production?• If every firm in this industry has the same cost structure, is the industry in long-run competitive equilibrium?• From what you know about these firms’ cost structures, what is the highest possible price per unit that could exist as the market price in long-run equilibrium? If that price is the market price and if the normal rate of profit is 10%, how big will each firm’s accounting profit be (per unit)?

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