ABAP report Query

in an internal table(I_VEPO) i have two reocords with fields SDABW , TKNUM, VBELN, ERDAT , and TOT_VALUE(hardcoded). these reocords are having same data except TOT_VALUE so i want to make it single records by adding their TOT_VALUE, please giv me the soution how to work on this.

1 PS2 13108970 202.50

2 PS2 13108970 11,988.00

must be

PS2(SDABW) 13108970(TKNUM) 12,190.50(TOT_VALUE)