• The amount used to repay the loan's principal is calculated as the difference between the monthly payment amount and the monthly interest amount. It is \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ over the life of the loan.
• The ending balance for a particular month is calculated by subtracting the month's \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ payment from the month's beginning balance.
2. Therefore, as the loan is repaid, the amount of interest owed \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ , and the amount of principal repaid by each payment