Girard owes two debt paymentsa payment of $5000 due in six months and a payments of $6000 due in fifteen months. If Girard makes a payment of $5000 now, when should he make a second payment of $6000 if money is worth 11% compounded semi-annually? The payment should be made half-years from now. (Round the final answer to two decimal places as needed. Round all intermediate values to six decimal places as needed.)