(a)  Commitment fees and interest in respect of ABR Loans based upon clause (a) of the definition of ABR shall be calculated on the basis of a 365- (or 366- as the case may be) day year for the actual days elapsed (including the first day and excluding the last day).  Interest in respect of Eurocurrency Loans, Bid Loans and ABR Loans based upon clause (b) or (c) of the definition of ABR and Letter of Credit Fees shall be calculated on the basis of a 360-day year for the actual days elapsed (including the first day and excluding the last day), provided, that interest in respect of Foreign Currency Loans denominated in Pounds Sterling, Australian Dollars, Canadian Dollars or New Zealand Dollars shall be calculated on the basis of a 365- (or 366- as the case may be) day year for actual days elapsed. The Administrative Agent shall promptly notify the Borrowers and the Banks of each determination of a Eurocurrency Rate.  Any change in the interest rate on a Committed Rate Loan resulting from a change in the ABR shall become effective as of the opening of business on the day on which such change in the ABR shall become effective.  The Administrative Agent or the Foreign Currency Agent, as applicable, shall promptly notify the Borrowers and the Banks of the effective date and the amount of each such change.