The accompanying Loans spreadsheet contains a partially completed spreadsheet model for computing the monthly payment for a loan. Complete the spreadsheet model by entering the formula for computing monthly payment in cell B$6.$

a$.$ Create a vertical one$-$way data table that shows loan amounts in $$10,000$ increments from $$70,000$ to $$370,000$ and their monthly payment amounts, assuming the loan term and annual interest rate are $10$ years and $8\%,$ respectively. What is the monthly payment for a loan of $$250,000?$

Note: Round your answer to $2$ decimal places.

Monthly payment amount:

b$.$ Expand the spreadsheet model to include calculations for monthly interest payment and monthly principal payment. Create a vertical one$-$way data table that shows loan amounts in $$10,000$ increments from $$70,000$ to $$370,000$ and their monthly payment, interest payment, and principal payment amounts, assuming the loan term and annual interest rate are $10$ years and $8\%,$ respectively. What is the monthly payment, interest payment, and principal payment amounts for a $$300,000$ loan?

Note: Round your answers to $2$ decimal places.

Monthly payment amount:

Monthly principal amount:

Monthly interest amount:

c$.$ Create a two$-$way data table that shows loan amounts in $$10,000$ increments from $$70,000$ to $$370,000$ vertically and annual interest rates in $0\mathrm{.}5\%$ increments from $3\%$ to $10\%$ horizontally. Fill the table with monthly payment amounts for various loan amount and interest rate combinations. What is the monthly payment amount for a $$350,000$ loan with a $9\%$ annual interest rate?

Note: Round your answer to $2$ decimal places.

Monthly payment amount: