Principal Amount: 200000.0
Interest Rate: 7.0 %
Years: 13
Formula = P[r(1+r)^n/((1+r)^n)-1)]
Your monthly mortgage payment is 1956.15 $ for 13 years and total amount 305159.4 $ to pay after interest with interest rate 7.0 % and total interest you will pay is 105159.4 $