a.) What is the purpose of developing a use case during system analysis b.) What does DFD stand for? c.) Explain relationship between DFD context diagram and DFD level 0 diagram. Studyroom App... (2marks) (1 mark) (2 marks) d.) Later, at design phases James told Sheril that he will be applying Client-Server architecture and explained to her about this architecture. What do you think James explained to Sheril? c.) Read the following scenario then draw a use case diagram (5 marks) (10marks) The Retail Store Management System is a system designed for managing i.e. For ordering, arranging and selling goods. The Retailer checks for the availability of goods in the store. If the stock of goods is less then retailer places an order. The ordered goods are received at the store, then retailer makes payment. The retailer proceeds to arrange them by product or by price. If the stock of goods is available then he will arrange goods for selling. The retailer sales the goods directly to the customer. The customer buys the items from retailer. The retailer prepares bill for goods purchased by the customer, he receives amount by credit or by cash from customer. The supplier supplies the goods to the store in the system. The overall system is used to manage the goods in the store.