A company is considering purchasing a machine that costs $272000 and is estimated to have no salvage value at the end of its 8- year useful life. If the machine is purchased, annual revenues are expected to be $120000 and annual operating expenses exclusive of depreciation expense are expected to be $38000. The straight-line method of depreciation would be used. If the machine is purchased, the annual rate of return expected on this machine is O 60.3%. O 30.1%. O 17.6%. O 35.3%