Net Present Value Method-Annuity Briggs Excavation Company is planning an investment of $133,400 for a bulldozer. The bulidozer is expected to operate for 1,000 hours per year for five years. Customers will be charged $110 per hour for bulldozer work. The bulldozer operator costs $29 per hour in wages and benefits. The bulidozer is expected to require annual maintenance costing $10,000. The bulldozer uses fuel that is expected to cost $38 per hour of bulldozer operation. Dracant Balua af an Annuite af \&1 at Comnound Tntareet a. Determine the equal annual net cash flows from operating the bulldozer. Use a minus sign to indicate cash outflows. Briggs Excavation Equal Annual Net Cash Flow Cash inflows: Hours of operation Revenue per hour Revenue per year Cash outflows: Hours of operation Fuel cost per hour Labor cost per hour fuel and labor costs per hour Fuel and labor costs per year Maintenance costs per year Annual net cash flow b. Determine the net present value of the investment, assuming that the desired rate of return is 6%. Use the present value of an annulty of $1 table above. Round to the nearest dollar. If required, use the minus sign to indicate a negative net present value. d. Determine the number of operating hours such that the present value of cash flows equals the amount to be i final answer to the nearest whole number. hours