JADO Mfg. is trying to decide which one of two machines to purchase. Machine A costs $398,000, has a 5-year life and requires $113,000 in pretax annual operating costs. Machine B costs $510,000, has a 4-year life and requires $67,000 in pretax annual operating costs. Either machine will be depreciated using the straight-line method to zero over its life. Neither machine will have any salvage value. Whichever machine is selected, it will never be replaced. The discount rate is 12 percent and the tax rate is 34 percent. Which machine should be purchased and why?

Multiple Choice

Machine A because its NPV is about $61,927 higher than Machine B's NPV

Machine A because its equivalent annual cost (EAC) is about $38,319 higher than Machine B's EAC

Machine A because its equivalent annual cost (EAC) is about $89.989 lower than Machine B's EAC

Machine B because its NPV is about $45,880 higher than Machine A's NPV

Machine B because its NPV is about $56,642 higher than Machine A's NPV