You take out a $25-$year mortgage for $$$$385,000$ to buy a new house. What will your monthly payments be if the interest rate on your mortgage is $9$percent$?$ Use a spreadsheet to calculate your answer. $$Now$,$ calculate the portion of the $48$th monthly payment that goes toward interest and principal. Use five decimal places for the monthly interest rate in your calculations.

a$.$Using a spreadsheet to calculate your$$ answer, your monthly payments will be $$$$3,230\mathrm{.}91.$ Correct

b$.$The portion of the $48$th monthly payment that goes toward interest is $$$

c$.$The portion of the $48$th monthly payment that goes toward principal is $$$