After five years the condominium has a comparative market value on Zillow for $435,000 -How much would interest rates need to decrease to justify a refinance given a cost to refinance at $3,600 and the new mortgage will have a term of 30 years versus the 25 years that remain on the current loan? - Should the Does use the refinance opportunity to pay off their student loans and any credit card debt, thus adding to the principal? What would be the tax advantage of consolidating the debt and adding the student loan to increase the mortgage principal? -What is the payback period in months if there is a refinance, chart this information? How much total interest will be saved if refinanced at the new rate? -Under what circumstances would the Does want a loan with a higher interest rate than their current loan?