Jeannette has a wheat farm, and the wheat market is perfectly competitive. The market price of a bushel of wheat is $18, and Jeannette’s machinery costs $140 per day and is the only fixed input.  Her variable cost consists of the wages paid to the farm workers, and the fertilizer.  The variable cost per day associated with each level of output is given by the table below. Calculate the total cost, the average variable cost, the average total cost, and the marginal cost for each quantity of output. What is the break-even price and quantity? What is the shut-down price and quantity?                                                    If the price at which Jeannette can sell wheat is $16/bu., will Jeannette earn a profit in the short run? In the short run, should she produce or shut down?                                                                                                                                                                         If the price at which Jeannette can sell wheat is $12, will Jeannette earn a profit in the short run? In the short run, should she produce or shut down?                                                                                                                                                                                If the price at which Jeannette can sell wheat is $8, will Jeannette earn a profit in the short run? In the short run, should she produce or shut down?                                                                                                                                                                                        Q VC TC MC AVC ATC  0       0         10    160         20    220         30    300         40    420         50    580         60    780         70 1,020

Microeconomic Theory
12th Edition
ISBN:9781337517942
Author:NICHOLSON
Publisher:NICHOLSON
Chapter10: Cost Functions
Section: Chapter Questions
Problem 10.4P
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Jeannette has a wheat farm, and the wheat market is perfectly competitive.

The market price of a bushel of wheat is $18, and Jeannette’s machinery costs $140 per day and is the only fixed input. 

Her variable cost consists of the wages paid to the farm workers, and the fertilizer.  The variable cost per day associated with each level of output is given by the table below.

Calculate the total cost, the average variable cost, the average total cost, and the marginal cost for each quantity of output.

What is the break-even price and quantity?

What is the shut-down price and quantity?                                                   

If the price at which Jeannette can sell wheat is $16/bu., will Jeannette earn a profit in the short run? In the short run, should she produce or shut down?                                                                                                                                                                        

If the price at which Jeannette can sell wheat is $12, will Jeannette earn a profit in the short run? In the short run, should she produce or shut down?                                                                                                                                                                               

If the price at which Jeannette can sell wheat is $8, will Jeannette earn a profit in the short run? In the short run, should she produce or shut down?                                                                                                                                                                                   

 

 

Q

VC

TC

MC

AVC

ATC

 0

      0

 

 

 

 

10

   160

 

 

 

 

20

   220

 

 

 

 

30

   300

 

 

 

 

40

   420

 

 

 

 

50

   580

 

 

 

 

60

   780

 

 

 

 

70

1,020

 

 

 

 

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