Suppose that an innovation reduces a firm's fixed costs and reduces cost from ATC to AT' After the innovation reduced the cost, the firm's maximum economic profit is:Suppose that an innovation reduces a firm's fixed costs and reduces cost from AT to ATC' Suppose further that after the innovation reduced the cost to ATC?, it costs a total of $18 per unit to produce 170 units per day. If the firm charges a price equal to marginal cost, total net profit will be:

Price and cost $40 MC ATC 30 ATC 10 MR AR = D O 150 200 Quantity per day