Mortgage Payment
You currently have a 30-year fixed rate mortgage with an annual
interest rate of 6%. You have had the mortgage 4 years, and on
September 1, 2015 you made your 48th payment. The original
principal amount was $280,000 and you monthly payment, without
taxes and insurance, are $1,678.74 per month, computed using the
Excel function =PMT(0.5%,360,280000,0,0).
Starting with your original mortgage your banker calls and says
that you could refinance your existing mortgage (6% rate, 30-year
original term)...