Exercise 12-15 Internal Rate of Return and Net Present Value (L012-2, L012-3) Henrie's Drapery Service is investigating the purchase of a new machine for cleaning and blocking drapes. The machine would cost $151.410, including freight and installation. Henrie's estimated the new machine would increase the company's cash intlows, net of expenses, by $42,000 per year. The machine would have a five-year useful life and no salvage value. Click here to view Exhibit 128-1 and Exhibit 12B-2, to determine the appropriate discount factor(s) using table. Required: 1. What is the machine's Internal rate of return? (Round your final answer to the nearest whole percentage.) 2. Using a discount rate of 12%, what is the machine's net present value? 3. Suppose the new machine would increase the company's annual cash inflows.net of expenses, by only $36.930 per year Under these conditions, what is the internal rate of return? (Round your final answer to the nearest whole percentage.) 1 2 Internal rate of retum Not present value Internal rate of retum 3 X