BIG POINTS PLEASE HELP!!!

Suppose that your federal direct student loans plus accumulated interest total $27,000 at the time that you start repayment and
the interest rate on all the loans is 5.33%.
(a) If you elect the standard repayment plan of a fixed amount each month for 10 years, what would your monthly payment be?
$
(b) How much would you pay in interest over the 10 years?