3. (6 pts) Don takes out a 10-year loan of L, which he repays with annual payments at the end of each year using the amortization method. Interest on the loan is charged at an annual effective rate of i. Don repays the loan with a decreasing series of payments. He repays 1000 in year one, 900 in year two, 800 in year three, .... and 100 in year ten. The amount of principal repaid in year three is equal to 600. Calculate gi- CS Scanned with CamScanner