If you specify the main item and do not specify the Component Item, Infor LN creates
the costing break for all the component items linked to the main
item.
If you specify the main item and also the Component Item, Infor LN creates
the costing break for the component item linked to the main item.
If you do not specify the main item and specify only the Component Item, Infor LN creates
the costing break only for the component item.
If you do not specify the main item and if you specify the
item group in the Item Group field, Infor LN creates
the costing break for all the component items linked to the Item Group