At the breakeven point, a. profits are exactly equal to the difference between revenue and total variable costs. b. the money a company brings in from selling products equals the amount spent producing the products. c. the marginal cost curve and the average cost curve will be identical for a particular product. d. the total fixed costs are exactly equal to the total variable costs. e. the marginal revenue of a product is exactly equal to the marginal cost of producing one more unit.