Holiday Travel Vehicles Systems Holiday Travel Vehicles System (HTVS) Use Case: An activity the computer system (HTVS) performs Event Description (E: External; Trigger (Input to Computer) Source (input is Use Case/Process Response (Output from Computer) Destination T:Temporal) given to HTVS by) (HTVS delivers output to) E1. New Vehicles are Ordered Vehicle Purchase Order Manager Order New Vehicles Order Confirmation Vehicle Order Details Manufacturer Real Time Link Book Keeping Transaction Credit Bureau Bank E2. New Vehicles Arrive from New Vehicle information Manager/clerk Record New Vehicles New Vehicle Details Manufacturer E3. Customer Makes an Offer on a New Customer Information Customer Create an Offer Rejected Offer Customer Vehicle Offer Information Accepted Offer Trade in Value Manager Offer Decision E4. Customer offer is accepted Customer Information Customer Process Accepted Offer Completed Sales Contract Customer Deposit Work Order Shop Advances Deposit Book Keeping Deliver Date Shop E5. Customer takes delivery on a new Final Payment Customer Take Delivery of Vehicle Recorded Payment Book Keeping Vehicle Trade-In Sold Vehicle Record Acceptance Trade-in Details Completed Sales Contract Sales Person New Vehicle Record E6. Trade-in is added to used Vehicle Used Vehicle Information Sales Person Add Trade-in Vehicle Used Vehicle Details inventory T1. Time to produce Transaction "End of day" Produce transaction Transaction summary Bookkeeping Summary reports summary reports reports T3. Time to produce Inventory "End of week, month, Produce new vehicle and summary reports Management summary reports quarter, and year' used vehicle summary reports