(Ignore income taxes in this problem.) The Tidwell Company is considering buying a new machine costing $18,000. Tidwell estimates that this machine will save $5,000 per year in cash operating expenses for the next five years. If the machine has no salvage value at the end of five years and the discount rate used by Tidwell is 8%, then the machine's internal rate of return is closest to: 1) 8%. 2) 10%. 3) 12%. 4) 14%. show work please

present vaule of annuity is 3.993 if needed