Guiness Corporation has gathered the following data on a proposed investment project (Ignore income taxes.): $ 30,000 $ 6,000 Investment required in equipment Annual cash inflows? Salvage value of equipment Life of the investment Required rate of return $ 0 15 years 10% The company uses straight-line depreciation on all equipment. Assume cash flows occur uniformly throughout a year except for the initial investment Use the tables provided (via email) to determine the appropriate discount factor(s) using. The internal rate of return of the investment is closest to: 18% 20% 22%