Alayz’e is attending a 4 year college. As a freshman she was approved for a 10 year federal un-subsized student loan of $12,600 at 3.48%. She knows she has the option of beginning repayment of the loan in 4.5 years. She also knows that during that nonpayment time, the interest will accrue at 3.48%. How much interested will accrue during the 4.5 year nonpayment period?