a. What is the monthly payment on a 15-year fixed-rate mortgage if the original balance is $235,000 and the rate is 4.9 percent? (Do not round intermediate calculations. Round your answer to 2 decimal places.)

b. Consider a 20-year, $95,000 mortgage with an interest rate of 5.60 percent. After seven years, the borrower (the mortgage issuer) pays it off. How much will the lender receive?

c. A homeowner takes out a $347,000, 30-year fixed-rate mortgage at a rate of 5.55 percent. What are the monthly mortgage payments? (Do not round intermediate calculations. Round your answer to 2 decimal places.)