Suppose a firm has the following costs:
Output 10 11 12 13 14 15 16 17 18 19
Total Cost $50 $52 $56 $62 $70 $80 $92 $106 $122 140
(a) If the prevailing market price is $14 per unit how much should the firm produce?
(b) How much profit will it earn at that output rate
(c) If the market price dropped to $10, what should the firm do?