; (C) in any case where the original loan was a loan under section 428B or a Federal Direct PLUS Loan, a rate equal to the rate determined under section 455(b)(11)(C); and (D) in any case where the original loan was a loan under section 428C or a Federal Direct Consolidation Loan, a rate calculated in accordance with paragraph (2). (2) Interest rate for consolidation loans (A) Method of calculation In order to determine the interest rate for any new Federal Direct Consolidation Loan under paragraph (1)(D), the Secretary shall— (i) determine each of the component loans that were originally consolidated in the loan under section 428C or the Federal Direct Consolidation Loan, and calculate the proportion of the unpaid principal balance of the loan under section 428C or the Federal Direct Consolidation Loan that each component loan represents; (ii) use the proportions determined in accordance with clause (i) and the interest rate applicable for each component loan, as determined under subparagraph (B), to calculate the weighted average of the interest rates on the loans consolidated into the loan under section 428C or the Federal Direct Consolidation Loan