The Jackson Company has invested in a machine that cost $75,000, that has a useful life of six years, and that has no salvage value at the end of its useful life. The machine is being depreciated by the straight-ine method, based on its useful life. It will have a payback period of four years. Given these data, the simple rate of return on the machine is closest to: (Ignore income taxes in this problem.) (Round your answer to 1 decimal place.) (lgnore income taxes in this problem) The following data pertain to an investment proposal Cost of the investment Annual cost savings Estimated salvage value Life of the project Discount rate $52,000 $16,000 $8,000 5 years 13% Click here to view Exhibit 138-1 and Exhibit 138-2, to determine the appropriate discount factor(s) using table The net present value of the proposed investment is closest to: (Round discount factor (s) to 3 decimal places, intermediate and final answers to the nearest dollar amount.)