b.  Concurrently: i.  47.7214659868% in the following order of priority: (a)  To  the  TAC  I  and  TAC  II  Classes,  until  reduced  to  their  Aggregate Scheduled Principal Balance for that Distribution Date, in the following order of priority: (i)  To OP and TA, pro rata, until reduced to their Aggregate Scheduled Principal Balance for that Distribution Date (ii)  To ZD, while outstanding (iii)  To OP and TA, pro rata, without regard to their Aggregate Sched- uled Principal Balance, while outstanding (b)  To ZC, until retired (c)  To  the  TAC  I  and  TAC  II  Classes,  in  the  same  manner  and  order  of priority  described  in  step  2.b.i.(a)  above,  but  without  regard  to  the Aggregate Scheduled Principal Balance for all such Classes, until retired ii.  39.7206957388% in the following order of priority: (a)  To  PO  and  TC,  pro  rata,  until  reduced  to  their  Aggregate  Scheduled Principal Balance for that Distribution Date (b)  To AZ, until retired (c)  To BA, until retired (d)  To PO and TC, pro rata, without regard to their Aggregate Scheduled Principal Balance, until retired iii.  12.5578382744% in the following order of priority: (a)  To TD and UO, pro rata, until reduced to their Aggregate Scheduled Principal Balance for that Distribution Date (b)  To ZB, until retired (c)  To BC, until retired (d)  To TD and UO, pro rata, without regard to their Aggregate Scheduled Principal Balance, until retired c.  To  LO,  LB,  LC,  LD  and  LE,  in  that  order,  without  regard  to  their  Aggregate Scheduled Principal Balance, until retired B-6