Settlement of WBS to AUC by line items

Hello SAP experts I person a question .. we privation CJ88 to settee to AUC from WBS by enactment items for illustration if one station 2 lines wage disbursal 400 USD and 600 USD to a WBS and past settled the WBS to AUC one privation to spot DR 400 and DR 600 to the AUC but the strategy ever gives DR 1000 to AUC adjacent erstwhile one acceptable the concern illustration for the WBS to settee by lines.

could anyone delight assistance ?