Sasha owns two investments, A and B, that have a combined total value of 52,500 dollars. Investment A is expected to pay 23,900 dollars in 7 year(s) from today and has an expected return of 4.77 percent per year. Investment B is expected to pay X in 4 years from today and has an expected return of 14.86 percent per year. What is X, the cash flow expected from investment B in 4 years from today?