At the end of a period, 1,000 dollars is paid at the end of the year in an endless series of payments. It's infinite In the 10th payment in the payment series, payment plan after 1.000 dollars payment has been changed. The payment plan, the first payment is X TL at the end of the 11th year, and the next payments are It is a 20-year annuity that continues with an increase of 5% compared to the previous payment. Find the value of X, given the annual effective interest rate of 10%.