A price taking firm makes air conditioners. The market price of one of their new air conditioners is $120. The firm’s total cost information is given in the tables below:
Air conditioners per dayTotal cost ($ per day)
1……………………………………..100
2……………………………………..150
3……………………………………..220
4……………………………………..310
5……………………………………..405
6……………………………………..510
7……………………………………..650
8……………………………………..800
How many air conditioners should the firm produce per day if its goal is to maximize its profit?