A student is graduating from college in 12 months but will need a loan in the amount of $7,685 for the last two semesters. The student receives an unsubsidized Stafford Loan with an interest rate of 6.2%, compounded monthly with a payment grace period of six months from the time of graduation. After the grace period the student makes fixed monthly payments of $198.80 for four years. Determine the total amount of interest the student paid.

$1,221.13
$1,857.40
$2,190.75
$2,181.19