The loan requires monthly payments due on the first of every month. Then multiply the monthly interest rate by the principal amount to find the first months interest. N is the number of periods.
One of the most common mistakes is to simply divide annual rate by 12 to get monthly rate.
Amortization Schedule for a Loan. P is the principal amount of the loan. ƥ rP n 1- 1rn-nt ƥ 01 100000 12 1- 10112 -1220 ƥ 9650216. To solve this problem we first look at the amortization table to find that the amortization factor of a 30 year loan at 85 is 769.