(4 points) Fifteen years ago a couple purchased a house for $160,000.00 by paying a 20% down payment and financing the remaining balance with a 30-year mortgage at 4.86% compounded monthly. (a) Find the monthly payment for this loan. Monthly Payment: :: (Note: Your answer should include a dollar sign and be accurate to two decimal places) (b) Find the balance of the loan after 16 years and after 17 years? Let n be how many payments are left on the loan. After 16 years After 17 years n = n = Loan Balance: :: Loan Balance: (Note: The balance amounts should include a dollar sign and be accurate to two decimal places) (c) Find the total amount of interest paid by the couple during the 17th year. Interest Paid During 17th year: !!! (Note: Your answer should include a dollar sign and be accurate to two decimal places)