1. An interest only mortgage is made for $80,000 at 10 percent interest for 10 years. The lender and borrower agree that monthly payments will be constant and will require no loan amortization.
   1. What will the monthly payments be?
   2. What will be the loan balance after 5 years?
   3. If the loan is repaid after 5 years, what will be the yield to the lender?
   4. Instead of being repaid after 5 years, what will be the yield if the loan is repaid after 10 years?
   5. What is the Present Value (PV) of all remaining payments in year 5? Discuss your answer.
   6. What is the Present Value (PV) of all remaining payments in year 5 if the interest rate falls to 5% in year 5?
   7. If the borrow refinances at a 5% interest rate in year 5, how much does the lender lose in value?
   8. What is the Present Value (PV) of all remaining payments in year 5 if the interest rate rises to 15% in year 5?

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