29. A company is considering purchasing a machine that costs $256000 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 $100000 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

a) 23.44%.

b) 11.72%.

c) 48.44%.

d) 24.22%.