Already solution on Chegg is incorrect. So please resolve it, thank you

9. During the next 3 years a business decides to invest $10 000 at the beginning of each year. The corresponding revenue that it can expect to receive at the end of leach year is given in Table. Calculate the net present value if the discount rate is 4% compounded annually. (38887.69) End of year Revenue 1 5000 2 20000 3 50000