Briggs Excavation Company is planning an investment of $303,200 for a bulldozer. The bulldozer is expected to operate for 2,000 hours per year for elght years. Customers will be charged $115 per hour for bulldozer work. The bulldozer operator costs $33 per hour in wages and benefits. The bulldozer is expected to require annual maintenance costing $20,000. The bulldozer uses fuel that is expected to cost $43 per hour of bulidozer operation. a. Determine the equal annual net cash flows from operating the bulldozer. Use a minus sign to indicate cash outflows. Briggs Excavation Company Equal Annual Net Cash Flow Cash inflows: Cash outfiows: b. Defermine the net present value of the investment, assuming that the desired rate of return is 10%. Use the present value of an annulty of $1 table above. Roune to the nearest doliar. If required, use the minus sign to indicate a negative net present value. c. Snould Exiggs Excavation invest in the bulidoxer, based on this anulyels? , becauve the bulidorer cost is the gresent value of the cash flows at the minimum desired rate of return of 10 os. d. Determine the number of operating houra cuch that the present value of cash thows equals the amount to be invested, Royand interim calculations and final answer to the nearest whole number. hours