A family has a $102,156, 15 year mortgage at 6% compounded monthly. (A.)Find monthly payments and total interest paid. (B.)Suppose the family decides to add an extra $100 to its mortgage payment each month starting with the very first payment. How long will it take to pay off the mortgage? How much interest will the family save?

A.) monthly payment=

Total interest paid=

B.) Time =____ years

Total interest saved=$___