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Waterways puts much emphasis on cash flow when it plans for capital investments. The company chose its discount rate of 8% based on the rate of return it must pay its owners and creditors. Using that rate, Waterways then uses different methods to determine the best decisions for making capital outlays. This year Waterways is considering buying five new backhoes to replace the backhoes it now has. The new backhoes are faster, cost less to run, provide for more accurate trench digging, have comfort features for the operators, and have 1 -year maintenance agreements to go with them. The old backhoes are working just fine, but they do require considerable maintenance. The backhoe operators are very familiar with the old backhoes and would need to learn some new skills to use the new backhoes. The following information is available to use irfleciding whether to purchase the new backhoes. (a) Evaluate in the following ways whether to purchase the new equipment or overhaul the old equipment. (Hint: For the old machine, the initial investment is the cost of the overhaul. For the new machine, subtract the salvage value of the old machine to determine the initial cost of the investment.) (1) Using the net present value method for buying new or keeping the old. (For calculation purposes, use 5 decimal places as displayed in the foctor table provided. If the net present value is negative, use either a negative sign preceding the number eg 45 or parentheses eg (45). Round final answer to 0 decimal places, e.5.5,275.) Waterways should equipment. (2) Uving the cash payback method for each choice. (Hint: For the old machine, evaluate the payback of an overhaul) (Round answers to 2decimal ploces, es. 1.25) New Backhoes Old Backhoes PaybackPeriod years years Waterways should equipment. (3) Comparing the profitability index for each choice. (Round answers to 2 decimal places, eg. 1.25) (4) Comparing the intemal rate of return for each choice to the required 8% discount rate. Waterways should equipment