Assume that a company purchased a new machine for $18,000 that has a salvage value of $5,000 at the end of its useful life of five years. The machine is expected to save the company $6,000 a year in cash operating costs for five years. The company's discount rate is 13%. The profitability index of this investment opportunity 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. Multiple Choice 1.39. O 1.42. O 1.32. 1.29