The management of DUPONT INTERNATIONALis considering the purchase of a new machine costing $405,000. The company's desired rate of return is 6%. The present value factor for an annuity of $1 at interest of 6% for 5 years is 4.212. In addition to the foregoing information, use the following data in determining the acceptability in this situation: Year Income from Operations $18,000 18,000 18,000 18,000 18,000 Net Cash Flow $93,000 93,000 93,000 93,000 93,000 a Calculate the cash payback period for this investment! b. What is the average rate of return for this investment? c. Calculate the net present value for this investment. d. What is the present value index for this investment? e. What should the investment in the project be for the internal rate of eturn to be %