Question: Question2: DFD Modeling (20 points) CS is a railway company's Customer Service System. The system Data Flow Diagram contains four processes, two external entities and

Question2: DFD Modeling (20 points) CS is a railway company's Customer Service System. The system Data Flow Diagram contains four processes, two external entities and four data stores. A Passenger can receive transport details from the Inquiry Transport Details process. The details include the Route information, the Train times and the delays. These details are provided by the two data stores Transport Details and Railway Live Statistic. CS Assistant can initiate the Buy Souvenir process, which will result in having the Order details stored in the Order data store. CS Assistant can also initiate the Buy Ticket process by providing Order details and the details will be stored again in the Order data store. Finally, CS Assistant can initiate the Report Lost process by providing the Incident and item details and the information will be stored in the Lost Item database. Draw the DFD based on the above given. Show the processes, actors, data stores, and data flows

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