If firms can easily enter and exit a market, then a. firms will produce at minimum average cost in the short run. b. firms will produce where price is less than marginal cost. c. firms will earn zero economic profit in the long run. d. firms will produce where price is greater than marginal revenue. e. firms will produce at minimum average fixed cost in the long run.

Russell's is considering purchasing $697,400 of equipment for a four-year project. the equipment falls in the five-year macrs class with annual percentages of .2, .32, .192, .1152, .1152, and .0576 for years 1 to 6, respectively. at the end of the project the equipment can be sold for an estimated $135,000. the required return is 13.2 percent and the tax rate is 23 percent. what is the amount of the aftertax salvage value of the equipment assuming no bonus depreciation is taken