CF required to provide a given rate of return

5.You have been offered a 5-year investment at a price of $75,000. It will pay $8,000 at the end of Year 1, $12,000 at the end of Year 2, and a fixed but currently unspecified cash flow, X, at the end of Years 3 through 5.The payer is essentially riskless, so you are sure the payments will be made, and you regard 3.5% as an appropriate rate of return on riskless 5-year investments.What cash flow must the investment provide at the end of each of the final 3 years, that is, what is X?

a.$18,689.47

b.$20,012.73

c.$20,713.18

d.$21,438.14

e.$21,895.25