in accordance with paragraph (2). (2) Interest Rates for Consolidation Loans (A) Method of calculation In order to determine the interest rate for any refinanced 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