Table 14-5Suppose that a firm in a competitive market faces…

Table 14-5Suppose that a firm in a competitive market faces the following revenues and costs: ​ Quantity (Units) Marginal Cost (Dollars) Marginal Revenue (Dollars) 12 5 7 13 6 7 14 7 7 15 8 7 16 9 7 17 10 7       Refer to Table 14-5. If the firm is maximizing profit, how much profit is it earning?