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a) What is the Fixed Cost of production (recall that it does not vary with outpu

ID: 1163566 • Letter: A

Question

a) What is the Fixed Cost of production (recall that it does not vary with output)

b) Calculate and graph (on the next page) Average Variable Cost, Average Fixed Cost, Average

Total Cost, and Marginal Cost.

Q     VC        TC

10    500     3000

20    800     3300

30   1350   3850

40 2300    4800

50 3750   6250

60 6000    8500

70 9450 11950

c) Explain why Average Variable Cost and Marginal Cost can fall initially,

but eventually rise.

d) If Fixed costs were to fall, how will that affect AFC, AVC, ATC, and

MC? Explain the intuition.

e) Explain the difference between the short-run and the long-run. How

does this concept relate to the data presented here?

f) Given a price of $145, how much of Good X will the perfectly competitive firm produce? How

much profit will the firm earn?

g) In the long run, if the market for X was made up of firms with the same cost structure,

what do you roughly expect the Perfect Competition market clearing price and per-firm

quantity to be? How much profit will they earn?

h) Given the following demand schedule, how much X would a monopoly produce, given the cost

table above? What price will they charge? How much profit will the firm earn?

Monopoly Demand:

     P          Q

$300         0

$270        10

$240        20

$210      30

$180      40

$150      50

$120     60

$90       70

Explanation / Answer

a) The fixed cost of production includes costs that do not get changed with increase or decrease in production and sales of goods and services. The cost will be permanent and fixed. It is to be paid by a firm whether they get good or bad sales. It can also be defined as expense for operating a business for a particular firm and these costs are unavoidable. These costs are also used for determining pricing and production level.

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