A company is considering purchasing factory equipment that costs $480000 and is estimated to have no salvage value at the end of its 8-year useful life. If the equipment is purchased, annual revenues are expected to be $115800 and annual operating expenses exclusive of depreciation expense are expected to be $39000. The straight-line method of depreciation would be used. If the equipment is purchased, the annual rate of return expected on this equipment is 16.0%. 32.0%. 3.5%. 7.0%