For a profit-maximizing, perfectly competitive firm with marginal cost function MC(q) = q² + 3, find the following. Illustrate your results on a graph. i. Producer surplus (PS) at price Po = 7 ii. Producer surplus (PS) at price p = 12 %3D iii. Change in producer surplus (APS) resulting from price change form po = 7 to ôp = 12
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- The table below shows the weekly marginal cost (MC) and average total cost (ATC) for Buddies, a purely competitive firm that produces novelty ear buds. Assume the market for novelty ear buds is a competitive market and that the price of ear buds is $6.00 per pair. Buddies Production Costs Quantity MC ATC of Ear Buds ($) ($) 25 2.20 30 2.02 2.17 35 2.45 2.21 40 3.57 2.38 45 4.00 2.56 50 5.46 2.85 55 5.93 3.13 60 8.53 3.58 Instructions: In part a, enter your answer as the closest given whole number. In parts b-d, round your answers to two decimal places. a. If Buddies wants to maximize profits, how many pairs of ear buds should it produce each week? pairs b. At the profit-maximizing quantity, what is the total cost of producing ear buds?Suppose that the quantity demanded for Windows 11 operating system is given by q = 320 − 2p, where p is the price of the Windows 11. Let us assume that the total cost of producing q units of Windows 11 is given by C(q) = 500 + 10q. a. Find marginal revenue, marginal cost, and average cost in terms of quantity q produced. Graphically illustrate the demand curve, marginal revenue curve, marginal cost curve, and average cost curve. b. What is the price that Microsoft charges for Windows 11? How many Windows 11 will Microsoft sell? How much profit it will make? Identify Microsoft’s profit maximizing price and quantity on your graph; and show the amount of profit that Microsoft will make. Please show all work and graphs, thank you!The graph below shows a perfectly competitive firm in short run equilibrium, where the firm has chosen the output level maximizing its profit. Consider the level of profits being earned here, and what will happen over time. What will happen in the long run? Note that the horizontal demand curve, D1, is also equivalent to marginal revenue and price. Group of answer choices The market price will increase causing economic profits to increase Demand will increase causing economic profits to increase The market price will decrease until economic profit is zero
- The graph below depicts the cost structure for a firm in a competitive market. Use the graph to answer the following questions. Figure 14-2 Price P₂ P₁ Q₁Q₂ MC AVC ATC Quantity Refer to Figure 14-2. When price falls from P3 to P₁, the firm finds that fixed cost is higher at a production level of Q₁ than it is at Q3. it should produce Q₁ units of output. it should produce Q3 units of output. it is unwilling to produce any output.Suppose that the market for dress shirts is a perfectly competitive market. The following graph shows the daily cost curves of a firm operating in this market. 50 45 Profit or Loss 40 35 30 ATC 25 20 AVC 10 MC 0. 4. 10 12 14 16 18 QUANTITY (Thousands of shirts) In the short run, at a market price of $15 per shirt, this firm will choose to produce shirts per day. 20 15 PRICE (Dollars per shirt)PS4.2 (a) What Optimal Level of Output (q*) will a Firm Produce given the following? MC(q) = 3 + 2q Price (P) = $9 MC → Marginal Cost q→ Quantity (b) What is a Firm's Producer Surplus assuming the following? Area of Triangle = 1/2* Base * Height (c) Will a Firm be Earning a Positive, Negative, or Zero Profit in the Short-Run given the following? AVC (q) =3+q FC = $3 AVC → Average Variable Cost FC Fixed Cost
- Suppose Robin's Clock Works produces in a perfectly competitive market. Suppose the average total cost of clocks is $95, the average variable cost of clocks is $90, and the price of clocks is $85. If the firm is producing the level of output where marginal cost equals price, then in the short run the firm: A) can increase profit by increasing output.B) is earning a positive economic profit.C) should continue to produce since total revenue exceeds total variable cost.D) should shut down.Consider the perfectly competitive market for copper. Assume that, regardless of how many firms are in the Industry, every firm in the industry is Identical and faces the marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves shown on the following graph. COSTS (Dollars per pound) PRICE (Dollars per por 100 90 80 70 60 50 40 30 20 100 10 50 0 80 70 60 50 40 30 20 10 0 The following diagram shows the market demand for copper. 0 Use the orange points (square symbol) to plot the initial short-run industry supply curve when there are 20 firms in the market. (Hint: You can disregard the portion of the supply curve that corresponds to prices where there is no output since this is the Industry supply curve.) Next, use the purple points (diamond symbol) to plat the short-run industry supply curve when there are 30 firms. Finally, use the green points (triangle symbol) to plot the short-run Industry supply curve when there are 40 firms. MC D 0 5 10 ATC H AVC D 0 15…Refer to the accompanying figure. If the market for doughnuts is perfectly competitive, then assuming this firm can earn enough revenue to cover its variable cost, it should produce: Price (S/doughnut) 0.35 p 0.30 0.25 0.20 0.15 0.10 0.05 0 0 10 20 30 40 50 60 Marginal Cost 70 80 90 Quantity (doughnuts/day) Average Total Cost 50 doughnuts per day. the quantity of doughnuts at which average total cost is minimized. the quantity of doughnuts at which average total cost equals the market price. the quantity of doughnuts at which marginal cost equals the market price.
- Suppose that the market for air fresheners is a perfectly competitive market. The following graph shows the daily cost curves of a firm operating in this market. 40 36 Profit or Loss 32 28 24 ATC 16 12 AVC MC + 0 2 4 8 10 12 14 16 18 QUANTITY (Thousands of air fresheners) In the short run, at a market price of $20 per air freshener, this firm will choose to produce air fresheners per day. 20 20 8. PRICE (Dollars per air freshener)#7. Lenora and Uma own a dog-grooming business in upstate New York, called Pawkeepsie Groomers. The dog-grooming service market is perfectly competitive. Pawkeepsie Groomers experiences normal cost curves, with the marginal cost (MC) curve crossing average variable cost (AVC) at $14 and average total cost (ATC) at $22. Pawkeepsie Groomers will make positive economic profits if the market price is a. $14. b. between $14 and $22. c. below $14. d. $22. e. above $22.Consider the competitive market for steel. Assume that, regardless of how many firms are in the industry, every firm in the industry is identical and faces the marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves shown on the following graph. The following diagram shows the market demand for steel. Use the orange points (square symbol) to plot the initial short-run industry supply curve when there are 10 firms in the market. (Hint: You can disregard the portion of the supply curve that corresponds to prices where there is no output since this is the industry supply curve.) Next, use the purple points (diamond symbol) to plot the short-run industry supply curve when there are 15 firms. Finally, use the green points (triangle symbol) to plot the short-run industry supply curve when there are 20 firms.