To purchase a house valued at $$350,000$ with a $20\%$ down payment and a $30-$year $($e$.$g$.360$ months$)$ at a fixed rate mortgage at $4\%,$ what is the amount of your monthly. payment of principal and interest only, starting next month? Round your answer to the nearest whole dollar. Write your answer as a whole number without decimals or the dollar symbol.

QUESTION $2$

Over the course of $30$ years $($e$.$g$.360$ months$),$ how much interest will you pay on the mortgage? Round your answer to the nearest whole dollar.

QUESTION $3$

If you were to pay the equivalent of one extra payment per year, how many months in total would it take to pay off the mortgage? Round your answer to the next whole number of months.

Hint: divide the monthly payment by $12,$ then add that amount to the monthly payment.

Calculator.net tool. Select Mortgage Calculator and uncheck Include Options Below box. Select the $+$ More Options button directly above the Calculate Button. You will see the "Extra Payment" cells $-$ enter in the monthly extra dollar amount $($monthly payment $/12).$

In Excel, you can use the NPER formula. Then, solve for the number of $($monthly$)$ periods.