A company manufactures a wide range of products to order, Aies representatie chocks c Incoming order and if all the details are complete it is added to the production file and the customer notified of the projected delivery date. If there are problems with the order then the sales epe om contacts the customer and the necessary amendments are made before the arder is added to the product ble. If an order requires special materials that are not in stock then these are ordered from the relevant supplier before the order is added to the production file. Study of the existing system has shown that less than 10% of orders require amendment and only about 5% require special maternals Orders are added to the production file in the order of receipt so that products are manufactured on a i come first-served' basis as far as possible. When the workshop is ready to produce a new item, the first order is taken from the production file and manufacture proceeds unless materials are not available, in which case the order goes into a special holding file and the customer is notified of the estimated delay to the order. As soon as appropriate materials are received, orders from the holding file are given pronty. Study of the existing system indicates that less than 5% of orders are held at this stage. 1- Create a ( structured specification ) for the "process order" for the system and draw the sequence diagram for this? 2- Draw the DFD and use case diagram