A company is considering purchasing a machine that costs $400,000 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 $100,000 and annual operating expenses exclusive of depreciation expense are expected to be $38,000. The straight- line method of depreciation would be used. The cash payback period on the machine is (2 Points) 8.0 years. 6.5 years. 7.5 years. 3.2 years.