amswer 7-9 please

7. An investor obtains a balloon mortgage with the terms shown below, Balloon Mortgage $530,000 30/7 balloon 6.8% annual rate What is the monthly payment on this mortgage? (3 points) $3,45520 $3,678.58 $6,738,57 $7.947.40 8. A mortgage has the terms shown below. Balloon Mortgage $200,000 15/4 balloon 7% annual rate Initial Monthly Payment: $1,797.66 What is the amount of the balloon payment rounded to the nearest dollar? (4 points) $192,063 $113,712 $165,164 $166,127 9. A bank is advertising the following mortgage: Balloon Mortgage $245.000 20/4 balloon 5.8% annual rate Monthly Payment: $1,727.11 Balloon Payment $216.789.79 What is the total cost of this balloon mortgage? (4 points)