1) Develop an activity diagram according to the following scenarios. Flow of activities for scenario of Order Clerk creates telephone order Main Flow 1. Customer calls RMO and gets order clerk. la....

Extracted text: 1) Develop an activity diagram according to the following scenarios. Flow of activities for scenario of Order Clerk creates telephone order Main Flow 1. Customer calls RMO and gets order clerk. la. Order Clerk enters customer information. 2a. If an existing customer, order clerk verifies customer information. 26. If a new customer, invoke Maintain customer account information use case to add a new customer. 3. Clerk initiates the creation of a new order. 4. Customer requests an item to be added to the order. 5. Clerk verifies the item and adds it to the order. 6. Repeat step 4 and 5 until all items are added to the order. 7. Customer indicates end of order; clerk enters end of order; system computes total. 8. Customer submits payment; clerk enters amount; system verifies payment. 9. System finalizes order.