Supplementary item is an extra item that is added to the sales order line when a certain quantity of item is purchased or as a bonus. Product information management – common – release products · Select the product for which you must add a supplementary item. Click supplementary sales item option that is in the sales module. After that, this page would appear u have to select item code as tables , if you select all (this is for all the customers that who are purchasing the item that supplementary item is added), if you select group (this is for the group of customers). · You have the give the customer account in the account selection. · Multiple quantity in for the quantity is divided by the given number. · Optional is for that the item is for optional purpose. · ...