Hi,
You may check the concept of "Discount in Kind" in the path: OLME - Discount in Kind (Discount in Form of Bonus Goods), which allows you to determine free goods. For more details, refer the doc: http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/40d49e9d-3128-2d10-82aa-c6c7f3994610?overridelayout=t…
Regards,
AKPT