(Ignore income taxes in this problem.) Henscheid Roofing is considering the purchase of a crane that would cost $99,557, would have a useful life of 5 years, and would have no salvage value. The use of the crane would result in labor savings of $29,000 per year. The internal rate of return on the investment in the crane is closest to: Click here to view Exhibit 8B-1 and Exhibit 8B-2 to determine the appropriate discount factor(s) using tables o 15% ? 17% o 12% o 14%