Draw the activity diagram for processing an order. The diagram shows the flow of actions in the system's workflow. Once the order is received the activities split into two parallel sets of activities: Order and Billing On the Fill Order side, the method of delivery is decided conditionally, depending on the condition, either the Overnight Delivery activity or, the Regular Delivery activity is performed. Finally the parallel activities combine to close the order. Receive Order Send Invoice Fill Order rush order Ovemight Delverylegelar Detiveny Close Order