Donald Googal owns a garage and is contemplating purchasing a tire retreading machine for $17,000. After estimating costs and revenues, Donald projects a net cash inflow from the retreading machine of $3,740 annually for 13 years. Donald hopes to earn a return of 15% on such investments. What is the present value of the retreading operation? Should Donald Googal purchase the retreading machine? (For calculation purposes, use 5 decimal places as displayed in the factor table provided.) (Round answer to 2 decimal places, e.g. 15.25.) Click here to view the factor table. (a) The present value of the retreading operation is . (b) Donald Googal shouldshould not purchase the retreading machine.