Contribution and (z) the Class C Principal Balance less the First Class C Notional Contribution, the applicable interest rate for each such Class for that Accrual Period, with each such interest rate weighted based on the Class Principal Balance (or portion thereof)  or  Class  Notional  Contribution,  as  applicable,  of  each  such  Class  for  the related Distribution Date (before giving effect to any payments on such Distribution Date); (d)  from and including the August 2006 Accrual Period through and including the July 2007 Accrual Period, the rate per annum equal to WACR less the weighted average of the following rates: (i) for the Second Class B Notional Contribution, the Second Class C Notional Contribution and Classes D, E, F and G, the lesser of WACR and the applicable interest rate from the Interest Rate Schedule for that Accrual Period and (ii)  for  (x)  Class  A,  (y)  the  Class  B  Principal  Balance  less  the  Second  Class  B Notional Contribution and (z) the Class C Principal Balance less the Second Class C Notional Contribution, the applicable interest rate for each such Class for that Accrual Period, with each such interest rate weighted based on the Class Principal Balance (or portion thereof) or Class Notional Contribution, as applicable, of each such Class for the related Distribution Date (before giving effect to any payments on such Distribu- tion Date); (e)  from and including the August 2007 Accrual Period through and including the July 2008 Accrual Period, the rate per annum equal to WACR less the weighted average of the following rates: (i) for the Class E Notional Contribution and Classes F and G, the lesser of WACR and the applicable interest rate from the Interest Rate Schedule for that Accrual Period and (ii) for (v) Class A, (w) Class B, (x) Class C, (y) Class D and (z)  the  Class  E  Principal  Balance  less  the  Class  E  Notional  Contribution,  the applicable interest rate for each such Class for that Accrual Period, with each such interest rate weighted based on the Class Principal Balance (or portion thereof) or Class Notional Contribution, as applicable, of each such Class for the related Distribu- tion Date (before giving effect to any payments on such Distribution Date); (f)  from and including the August 2008 Accrual Period through and including the July 2009 Accrual Period, the rate per annum equal to WACR less the weighted average of the following rates: (i) for the First Class F Notional Contribution and the First Class G Notional Contribution, the lesser of WACR and the applicable interest rate from the Interest Rate Schedule for that Accrual Period and (ii) for (t) Class A, (u) Class B, (v) Class C, (w) Class D, (x) Class E, (y) the Class F Principal Balance less the First Class F Notional Contribution and (z) the Class G Principal Balance less the First Class G Notional Contribution, the applicable interest rate for each such Class for that Accrual Period, with each such interest rate weighted based on the Class Principal Balance (or portion thereof) or Class Notional Contribution, as applicable, of each such Class for the related Distribution Date (before giving effect to any payments on such Distribution Date); (g)  from and including the August 2009 Accrual Period through and including the July 2010 Accrual Period, the rate per annum equal to WACR less the weighted average of the following rates: (i) for the Second Class F Notional Contribution and the Second Class G Notional Contribution, the lesser of WACR and the applicable interest rate from  the  Interest  Rate  Schedule  for  that  Accrual  Period  and  (ii)  for  (t)  Class  A, (u) Class B, (v) Class C, (w) Class D, (x) Class E, (y) the Class F Principal Balance less the Second Class F Notional Contribution and (z) the Class G Principal Balance less the Second Class G Notional Contribution, the applicable interest rate for each such Class for that Accrual Period, with each such interest rate weighted based on the Class  Principal  Balance  (or  portion  thereof)  or  Class  Notional  Contribution,  as C-13