(a) Facility fees and, whenever it is calculated on the basis of the Prime Rate, interest shall be calculated on the basis of a 365- (or 366-, as the case may be) day year for the actual days elapsed; and, otherwise, interest and Letter of Credit commissions shall be calculated on the basis of a 360-day year for the actual days elapsed. Notwithstanding the foregoing, any determination of the Eurocurrency Rate for Loans denominated in Australian Dollars, Singapore Dollars and Hong Kong Dollars shall be calculated on the basis of a 365- (or 366-, as the case may be) day year for the actual days elapsed. The Administrative Agent shall as soon as practicable notify the relevant Specified Borrower and the Banks of each determination of an Adjusted Eurocurrency Rate. Any change in the ABR due to a change in the Prime Rate or the NYFRB Rate shall be effective as of the opening of business on the effective day of such change in the Prime Rate or the NYFRB Rate, respectively. The Administrative Agent shall as soon as practicable notify the relevant Borrower and the Banks of the effective date and the amount of each such change in interest rate.