26 3 pts A company is considering purchasing a machine that costs $320,000 and is expected to generate annual revenues of $100,000. The machine will be depreciated using the straight-line method and is expected to have no salvage value at the end of its 8-year useful life. Operating expenses exclusive of depreciation expense are expected to be $39,000. If the machine is purchased, the annual rate of return expected on this machine is 13.1% 6.6% 38.1% 19.1%