Assume that a comparyy is considering purchasing a machine for $42,500 that will have a five year useful tise and no sakuge value. fhe machine will lowet coperathy costs by $7,000 per yeat. The company's required rate of return is 18%. The profitability index for this investment is closest to: Click here to view fixh ibit 128-1 and Exhibir 128-2, to determine the appropeiate discount factor(s) using the tables provided. Munce Crices 121. 000 434. 125