I am very confused, please help with the following!

10. What is the maximum loan amount the bank will lend you if your gross monthly income is $6000, you have $400 in monthly long-term obligations, and you can make a down payment of 15% of the home price given the following lenders loan parameters?

Interest Rate: 6.5%

Loan type: 30 years

Housing Expense Ratio: 28%

Total Debt Ratio: 41%

$246,808.88

$265,794.18

$279,781.82

$290,363.39

None of the above

12. How much interest will you pay during the 14^th year of a $350,000 house price, 30 year, 6.5% monthly compounded, 80 LTV loan?

$7755.94

$8379.86

$13,968.37

$14,627.41

None of the above

13. How much principal will you pay with the 76^th payment of the loan?

$245.11

$379.57

$1119.24

$1390.22

None of the above

14. What is the balance at the end of year 12?

$162,405.56

$184,346.44

$212,621.26

$225,003.69

None of the above