A person owes $3000 at the end of 5 years and $7950 at the end of 10 years. Due to changes in their financial situation, the person was allowed to pay $2600 at the end of 3 year(s) and a final payment at the end of 13 years using 19.5% compounded annually for the settlement. Determine the amount required to settle the debt at the end of 13 years.