lypically, a use case is initiated by an actor. For example, Bill Student is initisted the system .. Bursar's Office. A use case can interact with actors other than the one that (5 points). Answer the following questions about object-oriented analysis and design. These are covered in Appendix 7A to 7C in the textbook. a) What is use case modeling? b) What is a written use case and how does it compare to a use case diagram? c) Explain an include relationship. d) Describe Cockburn's template for a written use case. e) What are extensions