draw the activity diagram for order process

Case 2: Draw the activity diagram for the following scenario: This scenario is for an order process in an Internet bookstore. Customer visit the website of bookstore. Order department raise the order and accept the order. After accepting order, order department has to do two activities, they have to check item and credit both. After checking these activities, order department will confirm the order. After confirmation, delivery department will accept the delivery, after that will ship the item. After shipment, order department will confirm the delivery and scenario will finish when customer receive the order