A price-taking firm makes air conditioners. The market price of one of its new air conditioners is $135. The firm's total cost information is given in the table below: Instructions: Calculate marginal cost, and enter your responses as whole numbers. Air conditioners Total cost per day (per day) Marginal cost (5 per day) 1 100 100 2 150 3 220 4 310 5 405 6 510 7 650 B 800 How many air conditioners should the firm produce per day if its goal is to maximize its profit? air conditioners per day