Any amounts payable by a any Guarantor under this Section 14 or otherwise under this Guaranty if not paid upon demand shall bear interest from the date of such demand until paid in full, at a fluctuating interest rate per annum at all times equal to the Default Rate applicable to Base Rate Loans to the fullest extent permitted by applicable Law.  Any such interest shall be due and payable upon demand and shall be calculated on the basis of a year of 365 or 366 days, as the case may be, and the actual number of days elapsed.