please show work!! I've gotten the payment to be $6,634.34 and now i have to find the balance immediately after the 5th payment. How do I find that? please show work

(5) Mr. Beltram takes out a $100,000 loan for twelve years. The applicable annual effective interest rate is a promotional rate of 2% for the first two years and 6% for the remainder of the loan term. Mr. Beltram's payments increase by 10% each year. Find the balance on the loan immediately following his fifth payment. (5) Mr. Beltram takes out a $100,000 loan for twelve years. The applicable annual effective interest rate is a promotional rate of 2% for the first two years and 6% for the remainder of the loan term. Mr. Beltram's payments increase by 10% each year. Find the balance on the loan immediately following his fifth payment