Problem 4.7 You use a loan of amount $30,000 to buy a car. The term of the loan is 5 years with level monthly payments and loan rate of 5.4% compounded monthly. After 2 years, you decide to pay off the loan early by adding S100 to your monthly payment starting your 25th payment. There are no additional penalties or charges of early repayment. Calculate: (i) How many months sooner will you pay off the loan? (ii) What is the amount of your final payment? i) How much do you save on total interest paid compared to the original 5-year level payment amortization