3. If you borrow $10,000 at 9% compounded annually and repay the loan with annual payments of $2,000 one year from now, $2,300 two years from now, $2,600 three years from now, $2,900 four years from now, and $3,334.45 five years from now, what will be the amount of unpaid principal immediately after the first payment? (5 pts) 4. You borrow $10,000 and repay the loan with 5 annual payments of $3,000, $2,800, $2,600, $2,400, and $2,200. The first payment is made one year after receipt of the $10,000 and the last payment is made five years after receipt of the $10,000. The interest rate for the loan is 10% per annum compounded annually. How much of the last payment is interest? (5 pts)