this a theory of interests exercise if not familiar please do not attempt to solve. I need an expert to solve these 2 exercises.Thanks

Louis has an obligation to pay a sum of $3,100 in four years from now and a sum of $5,500 in six years from now. His creditor permits him to discharge these debts by paying $X in two years from now, $1000 in three years from now, and a final payment of $2x in eight years from now. Assuming an annual effective rate of interest of 6%, find X. Answer = $ . (round your answer to 2 decimal places.) 3. -/1 points A borrower is repaying a loan by making payments of $1200 at the end of each of the next 3 years. The interest rate on the loan is 9% compounded annually. What payment could the borrower make at the end of the first year in order to extinguish the loan? Answer = $ D