Question $9$

When you purchased your house, you took out a $30-$year mortgage with an

interest rate of $4\mathrm{.}8\%$ per year. The monthly payment on the mortgage $$5,557.$

You have just made a payment and have now decided to pay off the mortgage

by repaying the outstanding balance.

What is the payoff amount if you have lived in the house for $20$ years $($so there

are $10$ years left on the mortgage$)?$ Payoff amount is $$,($Round to the

nearest dollar.$)$