; and (ii) the applicable amount of interest that accrued during such employment period, in accordance with subclause (E) . (C) Prior monthly payments (i) Election A borrower of an eligible Federal Direct Loan who has made one or more monthly payments under paragraph (1) before the date of enactment of the Public Service Pays Off Act and who is employed in a public service job may elect to have the Secretary cancel such eligible Federal Direct Loan through partial repayments after completion of each employment period in accordance with this paragraph (including submission of an employment certification form described in clause (F) ), or in full after the completion of the required employment period and 120 monthly payments in accordance with paragraph (2). (ii) No double cancellation A borrower shall not have eligible Federal Direct Loans cancelled under both paragraph (2) and this paragraph, but a borrower who was determined to be ineligible for cancellation under paragraph (2) before the date of enactment of the Public Service Pays Off Act may submit an employment certification form described in clause (F) and request cancellation for a public service job under this paragraph. (D) Percent amount The percent of a loan that shall be canceled under this paragraph for an employment period is as follows: (i) In the case of a borrower who completes 2 years of employment in a public service job, 15 percent of the total amount due on the eligible Federal Direct Loan on the date the borrower commenced employment in such public service job. (ii) In the case of a borrower who completes 4 years of employment in a public service job, 15 percent of the total amount due on the eligible Federal Direct Loan on the date the borrower commenced employment in such public service job. (iii) In the case of a borrower who completes 6 years of employment in a public service job, 20 percent of the total amount due on the eligible Federal Direct Loan on the date the borrower commenced employment in such public service job. (iv) In the