You are trying to choose between purchasing one of two machines for a factory. machine a costs $15,500 to purchase and has a three-year life. machine b costs $17,400 to purchase but has a four-year life. regardless of which machine you purchase, it will have to be replaced at the end of its operating life. which machine should you choose? assume a marginal tax rate of 35 percent and a discount rate of 15 percent. (round answers to 2 decimal places, e. g. 15.25.)

equivalent annual cost (eac) of machine a

equivalent annual cost (eac) of machine b