Class A Non-PO Optimal Amount As to any Distribution Date, the sum for such Distribution Date of (i) the Class A Interest Accrual Amount, (ii) the Aggregate Class A Unpaid Interest Shortfall and (iii) the Class A Non-PO Optimal Principal Amount.
Yield Supplement Overcollateralization Amount means, with respect to any calendar month and the related Payment Date, or with respect to the Closing Date, the aggregate amount by which the Principal Balance as of the last day of the related Collection Period or the Cutoff Date, as applicable, of each of the related Receivables with an APR as stated in the related contract of less than the Required Rate, other than Defaulted Receivables, exceeds the present value, calculated by using a discount rate equal to the Required Rate, of each scheduled payment of each such Receivables assuming such scheduled payment is made on the last day of each month and each month has 30 days.
Class X-B Notional Amount With respect to the Class X-B Certificates as of any date of determination, the sum of the Component Notional Amounts of the Class X-B Components.
Quarterly Excess Available Funds Percentage means, with respect to the June 2007 Transfer Date and each Transfer Date thereafter, the percentage equivalent of a fraction the numerator of which is the sum of the Excess Available Funds Percentages with respect to the immediately preceding three Monthly Periods and the denominator of which is three.
Class A-X Notional Amount With respect to any Distribution Date, an amount equal to the aggregate Scheduled Principal Balance of the Non-Discount Mortgage Loans.