i just need the two that are blank, the other answers are correct

(1 point) Fifteen years ago a couple purchased a house for $180,000.00 by paying a 20% down payment and financing the remaining balance with a 30-year mortgage at 6.56% compounded monthly. (a) Find the monthly payment for this loan. Monthly Payment: $ 915.90 (b) Find the balance of the loan after 14 years and after 15 years. Let n be how many payments are left on the loan. After 14 years After 15 years n= 192 180 Loan Balance: $ 108,718.93 Loan Balance: $ n = (c) Find the total amount of interest paid by the couple during the 15th year. Interest Paid During 15th year: $