You take out a

$2$

$5$

$-$

year mortgage for $

$3$

$9$

$5$

$,$

$0$

$0$

$0$

$$to buy a new house. What will your monthly payments be if the interest rate on your mortgage is

$8$

$$percent$?$ Use a spreadsheet to calculate your answer. Now, calculate the portion of the

$6$

$0$

th monthly payment that goes toward interest and principal. Use five decimal places for the monthly interest rate in your calculations.

Using a soreadsheet to calculate your answer, your monthly payments will be

$?$