1) Yield maintenance - the loan was originated with a 7.5% rate, on $350,000 loan, 30-year amortization with a ten-year term. With 2.5 years remaining on the term the borrower wants to prepay the loan with a current interest rate for 2.5 years of 3.75%, what is the prepayment fee?
2) Same basic facts as above, but the current interest rate is 8%, what is the yield maintenance fee?