Assume that a company is considering purchasing a machine for $50,000 that will have a five-year useful life and no salvage value, The machine will lower operating costs by $17,000 per yeat. The internal rate of return on this investment is closest to: Click here to view Exhibit 14B-1 and Exhibit 14B-2, to determine the appropriate discount factor(s) using the tables provided. Muliple Choice 19% 24% 21% 23% EXHIBIT 148-1 Present Valoe of 51:((1+r))n1 F.MHBiT 14b-2 Present Value of an Annulty of St in Arrears r11((1+r))1