please solve it by hand not in excel

7s.6 You are considering purchasing a new punch press machine. This machine will have an estimated service life of 10 years. The expected after-tax salvage value at the end of service life will be 10% of the purchase cost. Its annual after-tax operating cash flows are estimated to be $60,000. If you can purchase the machine at $308,758, what is the expected rate of return on this investment? (a) 12% (b) 13.6% (c) 15% (d) 17.2%