6. (Ignore income taxes in this problem.) Henscheid Roofing is considering the purchase of a crane that would cost $104,972, would have a useful life of 7 years, and would have no salvage value. The use of the crane would result in labor savings of $23,000 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 table. 13% 10% O 12% 15% 2020 McGraw-Hill Education. All rights reserved