PE 8-4. Consider the following description below that builds on the case in PE 8-3. Based on PE 8-3 and this additional material, please draw a use case diagram that presents the system use cases at the user goal level in the system level context.

PE 8-3 Case for context: A university dining service cafeteria located on a busy university campus would like to develop its service further and help those diners who want to place their food orders using a web-based or mobile application so that the diners do not have wait for the preparation of their food in line. Dining service customers will use the application themselves. It applies to four of the stations at the cafeteria: grilled foods, sandwiches, salads, and sushi. The intent is that once a customer has placed the order, she can pick up her meal at a specified time from the cafeteria without any delays. The dining service would also like to improve its customer service with the system, making the customer's experience as positive as possible. Thus, think about various details of the food service process that could be improved with the application.

Additional Material: There are, of course, many other goals that the university dining service system could support. The system could allow various aspects of managing a university-specific payment system, managing customer preferences, providing feedback to the employees and management, advertising special deals, particularly for frequent customers, providing nutritional information, and so forth. Feel free to be innovative and add other functionality that you think could improve such a system.