; and (II) for a graduate non-completing student cohort, shall be equal to the percentage of students who received Federal financial assistance under this title at the institution for the applicable graduate program of study and who did not complete such program of study within 150 percent of the program length. (C) Non-repayment loan balance (i) In general For each award year, the Secretary shall determine the non-repayment loan balance for such award year for each student cohort of an institution of higher education by calculating the sum of— (I) for loans in such cohort in repayment status that are being repaid under a standard 10-year repayment plan under section 455(d)(1), the difference between the total amount of payments due from all borrowers on such loans during such year, as required under section 455(d)(1)(A), and the total amount of payments made by all such borrowers on such loans during such year; plus (II) for loans in such cohort in repayment status that are being repaid under the repayment assistance plan under section 455(e)(9)— (aa) the difference between the total amount of payments due from all borrowers on such loans during such year, as required under section 455(e)(9), and the total amount of payments made by all such borrowers on such loans during such year