Thanks @jesseowens.k for sharing.

Thanks Kunal .

"Use To Print Sum of Variable in LIne 1 through REDUCE Op.     LOOP AT it_final ASSIGNING FIELD-SYMBOL(<s_final>). IF sy-tabix EQ 1. <s_final>-bpmng  = REDUCE bpmng( INIT tot TYPE bpmng FOR <fs> IN it_final NEXT tot = tot + <fs>-bpmng ). <s_final>-...

Thanks, jeffrey.towell2 for the valuable knowledge.

Thanks for the solution.