In the figure at right, at which output level is this firm earning negative economic profits? OA. 12 OB. 2 OC. 5 OD. 10 Revenues and Costs ($) 180 160- 140- 120- 100+ 80- 60- 40- 20- 0 0 2 4 6 8 TC 10 12 14 16 Quantity TR 18 20
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- Suppose that each firm in a competitive industry has the following costs: Total cost: TC = 50 + q2 Marginal cost: MC = q where q is an individual firms quantity produced. The market demand curve for this product is Demand:QD = 120 P where P is the price and Q is the total quantity of the good. Currently, there are 9 firms in the market. a. What is each firms fixed cost? What is its variable cost? Give the equation for average total cost. b. Graph average-total-cost curve and the marginal-cost curve for q from 5 to 15. At what quantity is average-total-cost curve at its minimum? What is marginal cost and average total cost at that quantity? c Give the equation for each firms supply curve. d. Give the equation for the market supply curve for the short run in which the number of firms is fixed. e. What is the equilibrium price and quantity for this market in the short run? f. In this equilibrium, how much does each firm produce? Calculate each firms profit or loss. Is there incentive for firms to enter or exit? g. In the long run with free entry and exit, what is the equilibrium price and quantity in this market? h. In this long-run equilibrium, how much does each firm produce? How many firms are in the market?Return to Figure 9.2. Suppose P0 is 10 and P1 is 11. Suppose a new firm with the same LRAC curve as the incumbent tries to bleak into the market by selling 4,000 units of output. Estimate from the graph what the new firms average cost of producing output would be. If the incumbent continues. to produce 6,000 units, how much output would the two films supply to the market? Estimate what would happen to the market price as a result of the supply of both the incumbent firm and the new entrant. Approximately how much profit would each firm earn? Figure 9.2 Economics of Scale and Natural MonoployYour aunt is thinking about opening a hardware store. She estimates that it would cost $500,000 per year to rent the location and buy the stock. In addition, she would have to quit her $50,000 per year job as an accountant. Your aunt’s opportunity costs comprise * If your aunt thought she could sell $510,000 worth of merchandise in a year, what is your aunt’s accounting profit? *$10,000-$40,000$460,000$0Given the above situation, what is your aunt’s economic profit? *$10,000-$40,000$460,000$0
- Suppose a food company has both food and store divisions. The food divisionproduces burgers that are sold downstream at the store. Assume that the storesells 1,000 burgers at $10, 2,000 burgers at $9, 3,000 at $8, and so on up to10,000 burgers at $1. The price the food division charges for a burger is$3.50. What will be the profit-maximizing price for the entire company? How muchprofit will the company make? What is the revenue-maximizing quantity for thestore?1. Suppose a perfectly competitive firm is operating in short run. The information of MR, Q,ATC and AVC are 15 taka, 60 unit, 45taka and 35 taka respectively. Calculate firm’sprofit/loss and total fixed cost. From these calculations and based on all the giveninformation, can you conclude about the firm’s decision in short run? Explain your reasoningwith the help of a suitable diagram. Show all the relevant information in yourdiagram.[Q=profit maximizing output and MR=marginal revenue]Suppose for a single firm thatP = 15TC = 3Q + 2Q2 (a) What is the profit-maximizing quantity? (b) What is the profit at the profit-maximizing quantity? Only typed Answer
- Using the data in the table below, how much profit will be obtained for producing 7 units of output? Q P TC TR MR MC Profit 0 $5 $9 1 $5 $10 2 $5 $12 3 $5 $15 4 $5 $19 5 $5 $24 6 $5 $30 7 $5 $45 Question 50 options: a) -$5.00 b) $40.00 c) $0 d) -$10.00A tuition agency hires tutors to teach students. The following table displays how total outputincreases as tutors increase.No. of Tutors 1 2 3 4 5Total No. ofStudents4 10 18 24 3Tutors cost $50 each regardless of how many students each tutor has. The agency paid $500 in non-refundablemarketing fees to set up the business as a fix cost. In the short run, considering the shut-down condition, whatis the lowest price per student Tom’s tuition agency can charge? Explain your answer.Crawford Computing finds that its weekly profit, in dollars, from its production and sale of x laptop computers is P(x)=-.002x^3-.15x^2+400x-800 Currently, Crawford builds and sells 9 laptops weekly. (a) what is the current weekly profit? (b) how much profit would be lost if production and sales dropped to 8 laptops weekly? (c) what is the marginal profit with x=9? (d) use answers from parts (a) and (c) to estimate the profit resulting from the production and sale of 10 laptops weekly.
- J 7 let: MC = 12Q⁵+5Q⁶-4Q⁵-5 MR = 16Q¹⁵+15Q²-12Q⁶-10Q MP = 12X⁵+25X⁷-24X⁴-7X Determine the functions of total cost, total revenue, total production4. Assess which of the following is true and which is false.A firm’s profit equation is given by π = -100 + 160Q – 20Q2. Therefore,a) The firm’s fixed cost is 100.b) The firm’s fixed cost is 40 and variable cost is 20.c) Marginal profit is Mπ = 160 – 20Q.d) The firm’s profit-maximizing output is Q = 4.e) Marginal profit is Mπ = 160 – 40Q and it is positive for quantities that are lower than theprofit-maximizing quantity.(1) Would you characterize Industry 4.0 as arevolution or more of an evolution? Why? (2) Whymight various companies have an interest inpromoting Industry 4.0 as a conceptual “brand”?