Henrie's Drapery Service is investigating the purchase of a new machine for cleaning and blocking drapes. The machine would cost $151,640, including freight and installation. Henrie's has estimated that 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 8B-1 and Exhibit 8B-2, to determine the appropriate discount factor(s) using table. Required: 1. Compute the machine's internal rate of return. (Round your 'IRR' answer to nearest whole percentage.) Internal Rate of Return Choose Numerator: / Choose Denominator: Factor Factor Number of Years Internal Rate of Return 2. Compute the machine's net present value. Use a discount rate of 10%. Net present value 3. Suppose that the new machine would increase the company's annual cash inflows, net of expenses, by only $36,000 per year. Under these conditions, compute the internal rate of return. (Round your 'IRR answer to nearest whole percentage.) Internal Rate of Return Choose Numerator / Choose Denominator: = Factor Number of Years Internal Rate of Return Factor