PLUS loan: annual interest rate of 4.15%, compounded monthly, with a balance of $12,065.65 at the time of repayment

Which loan will have a higher balance, and by how much at the time of repayment?

The Stafford loan will have a higher balance by $197.41 at the time of repayment.
The PLUS loan will have a higher balance by $197.41 at the time of repayment.
The Stafford loan will have a higher balance by $36.02 at the time of repayment.
The PLUS loan will have a higher balance by $36.02 at the time of repayment.