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Exercise 13-15 Internal Rate of Return and Net Present Value [L013-2, LO13-3] Henrie's Drapery Service is investigating the purchase of a new machine for cleaning and blocking drapes. The machine would cost $137,320, including freight and installation. Henrie's estimated the new machine would increase the company's cash inflows, net of expenses, by $40,000 per year. The machine would have a five-year useful life and no salvage value. Click here to view Exhibit 13B-1 and Exhibit 13B-2, to determine the appropriate discount factor(s) using table Required: 1. what is the machine's internal rate of return? (Round your answer to whole decimal place ie. O123 should be considered as 12%.) 2. Using a discount rate of 14%, what is the machine's net present value? Interpret your results 3. Suppose the new machine would increase the company's annual cash inflows, net of expenses, by only $31,720 per year. Under these conditions, what is the internal rate of return? (Round your answer to whole decimal place i.e. O.123 should be considered as 1296)