In a fake economy with small quantities, a apple farmer can sell as many bushels of apples as he wants at the current market price for apples, $21 per bushel. The

apple farmer has cost function

C=20 + 4Q' where 'Q' is quantity of bushels .

The firm must sell an integer amount of bushels of apples. Calculate profit-maximizing values for the following:

You must also show your calculations to

that contains your supporting calculations.)

a) Quantity

b) Total revenue

c) Total profits

d) Average total cost