Fund \\( A \\) is invested at an effective annual interest rate of \5. Fund \\( B \\) is invested at an effective annual interest rate of \4. At the end of 10 years, the total of the two funds is 10,000 . At the end of 15 years, the amount in fund \\( A \\) is triple the amount in fund B. Calculate the total of the two funds at the end of 20 years