Class B Principal Percentage means, with respect to any Monthly Period, (i) during the Revolving Period, the percentage equivalent (which percentage shall never exceed 100%) of a fraction, the numerator of which is the Class B Invested Amount as of the last day of the immediately preceding Monthly Period and the denominator of which is the Invested Amount as of such day and (ii) during the Controlled Accumulation Period, the Early Amortization Period or any Partial Amortization Period, the percentage equivalent (which percentage shall never exceed 100%) of a fraction, the numerator of which is the Class B Invested Amount as of the close of business on the date on which the Revolving Period shall have terminated and the denominator of which is the Invested Amount as of the close of business on the date on which the Revolving Period shall have terminated; provided, however, that with respect to the first Monthly Period, the Class B Principal Percentage shall mean the percentage equivalent of a fraction, the numerator of which is the Class B Initial Invested Amount and the denominator of which is the Initial Invested Amount.