3) In exercise SD18, you posted an issuance of goods to reflect the inventory that has been shipped. Note the screenshot below. It is an outbound delivery document for the goods that were issued. A copy of this document could be printed and included with the shipment, acting as the packng slip. Outbound Som539 Overview If acting as the packing slip accompanying the items shipped, what data item should be included on the document for helping the customer process the shipment receipt? Explain by referring to the control objective that is most enhanced for the customer by the inclusion of the missing data Item on the packing slip.