Complete the following table of costs for a firm. (Note: enter the figures in the MC column between outputs of 0 and 1, 1 and 2, 2 and 3, etc.)     Output TC (£) AC (£) MC (£) 0 1 2 3 4 5 6 7 8   9 10 55 85 110 130 160 210 280    370 480  610 760 – 85 55  43.33 40 42 46.66 52.80 60   67.77 76                30 25 20 30 50                   70   90 110                     130                       150   How much is total fixed cost at: (i)      an output of 0? ................................................................................................................. (ii)     an output of 6? .................................................................................................................   How much is average fixed cost at: (i)      an output of 5? ................................................................................................................. (ii)     an output of 10? ...............................................................................................................

Output TFC TVC TC MC АТС A 25 25 ---- -- ---- -- B 1 25 25 50 25 50 C 2 25 40 65 32.5 3 25 70 95 E 4 25 110 33.75 F 5 25 160 50 What is the total cost at point E? 135 125 185 Cannot be determined

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18 IV 16 III 14 E 12 %3D 10 8 4. 0246810 12 14 16 18 20 22 24 26 2830 32 34 Quantity 32. The marginal cost curve is labeled:

ЕОС 13.5B Morgan took $400 000 out of their savings account to start an ice cream stand. The savings account paid 5% interest. In the first year, Morgan sold 12,000 batches of ice cream at a price of $3 each, and incurred costs of $12,000 which involved outlays of money. What was Morgan's economic profit in the first year?

A9

part E

Costs and Profit Maximization: Work It Out 1 Suppose Margie decides to lease a photocopier and open up a black-and-white photocopying service in her dorm room for use by faculty and students. Her total cost, as a function of the number of copies she produces per month, is given in the table. Number of Photocopies Per Month Total Cost Fixed Cost Variable Cost Total Revenue Profit 0 $100         1,000 $110         2,000 $125         3,000 $145         4,000 $175         5,000 $215         6,000 $285         a. Fill in the missing numbers in the table, assuming that Margie can charge 6 cents per black-and-white copy. Margie's fixed cost is: $       Variable cost, 0 photocopies/month: $     Variable cost, 1,000 photocopies/month: $     Variable cost, 2,000 photocopies/month: $     Variable cost, 3,000 photocopies/month: $     Variable cost, 4,000 photocopies/month: $…

Answer each of the following as true or false and briefly explain your answer. 9 39 8 1a) If ec> 1, increasing returns to scale and decreasing average costs are indicated 1b) 7 17 ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Average cost exceeds marginal cost at the minimum efficient scale of plant. 0 0 1c) DA When total fixed cost and price are held constant, a reduction in average variable cost will typically cause a reduction in the breakeven activity level. 10X00X0 0,0 0,0 0 When long-run average cost is decreasing, it can pay to operate smaller plants at their peak efficiency rather than larger plants with some excess capacity.

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