You are to repaying a loan of with 72 monthly repayments of $160.00, with the first repayment being one month after you took out the loan. Interest is charged at j12 = 7.9170% p.a. Immediately after your 68th repayment, the Outstanding Principal is: 1) $629.58; 2) $640.00; 3) $623.39; 4) $646.36