help on question d. only

Jones Excavation Company is planning an investment of $554,500 for a bulldozer The bulldozer is expected to operate for 3,000 hours per year tor 10 years. Gustomers will be charged $130 per hour for bulidozer work. The bulldozer operator costs $38 per hour in wages and benefits: The bulidozer is. expected to require annual maintenance costing $30,000. The bulldozer uses fuel that is expected to cost 550 per hour of bulidozer operation. a. Determine the equal annual net cash flows from operating the bulldozer. b. Determine the net present value of the investment, assuming that the desired rate of roturn is 10%. Use the present value of an annuity of $1 table: above. Round to the nearest dollar. If required, use the rminus sign to indicate a negative net present value. C. Should Jones invest in the bulldorer, based on this andysis? V, because the bulldozer cost is V the present value of the cash flows at the minimum desired rate of return of 10%. d. Detemmine the number of operating hours such that the present value of cash fiows equals the amount to be invested, Round intenm calculations and final answer to the nearest whole number. x hiburs