show all the work please

Sunrise Inc. is considering a capital investment proposal that costs $227,500 and has an estimated life of four years and no residual value. The estimated net cash flows are as follows: The minimum desired rate of return for net present value analysis is 10%. The present value of $1 at compound interest rates of 10% for 1 , 2,3 , and 4 years is .909,.826,.751, and .683 , respectively. Determine the net present value