Ques:- A customer usually prefers complete delivery of a sales order. When creating a particular order, however, the customer would like to make 
an exception and allow partial deliveries. How would you proceed to do this?
1.      Deselect the Complete Delivery in the customer-material info record.
2. Deselect the Complete Delivery  in the sales order itself.
3.      Deselect the Complete Delivery  in the business partner master record.