Q2. (65 points) Study the following activity diagram, then answer the following questions: 1. Name all the actors involved in this diagram (10 points) 2. Identify five activities in this diagram. (25 points) 3. Identify any decision node in this diagram. (10 points) 4. Can 'Update Status Initiate Backorder' and 'Update Status Link to Shipment' activities occur at the same time? (10 points) 5. What is/are missing in the diagram? (10 points) Shipping clerk System Lookup Sale with Saleltems Display Sale & Salellems Customer info Assign shipper Foreach Salotom Create shipment Link to Solo Link to Shipper NO Available Mark as shipped Update status Unk to shipment Marka backordered Update status Initiate backorder End foreach Enter package weight and size Request shipping label Print shipping label Update al shipment & sostindo