Waterways then uses different methods to determine the best decisions for making capital outlays. backhoes and would need to learn some new skills to use the new backhoes. The following information is available to use in deciding whether to purchase the new backhoes. the salvage value of the old machine to determine the initial cost of the investment.) preceding the number eg - 45 or parentheses eg (45). Round final answer to 0 decimal places, eg. 5,275.) Waterways should equipment. (2) Using the cash payback method for each choice. (Hint: For the old machine, evaluate the payback of an overhaul.) (Round answers to 2 decimal places, eg. 1.25) (3) Comparing the profitability index for each choice. (Round answers to 2 decimal places, e.g. 1.25) Waterways should equipment. Calculate the internal rate of return factor for the new and old blackhoes. (Round answers to 5 decimal places, e.g. 5.27647.) (4) Comparing the internal rate of return for each choice to the required 8% discount rate. Waterways should equipment