Please kindly help with the following problem:

A Company is evaluating two mutually exclusive projects: The Pinto grinder involves an outlay of $100,000, annual after-tax operating cash flows of $45,000, an after-tax salvage value of $25,000, and a three-year life. The Bolten grinder has an outlay of $125,000, annual after-tax operating cash flows of $47,000, an after-tax salvage value of $20,000, and a four-year life. The required rate of return is 10 percent.Which grinder this company should choose based on the information presented above?