Output TR TC 0 0 37 40 69 2 80 96 3 120 120 160 142 5 200 163 6 240 186 7 280 237 The short-run equilibrium price of the product is $ The marginal revenue received from the sale of the 4th unit of output is $ The marginal cost of the production of the 5th unit of output is $ If the firm produces 2 units of output, it will make an economic of $ If the firm will break even at units of output. Profit is maximized at units of output. The maximum profit is $