I Isk Detalls: Case Study Case Study: SmallMart Task details: SmallMart is a small business that sells different items example, groceries, general medicine, Kids' school stuff, crafts, etc., to their customers through a physical store located at Chatswood. They are willing to expand this business online. For this, it is required to develop a web-based system that will cater for the need of online customers. In this process, planning includes establishing several warehouses in different locations of NSW state to provide quick and highly efficient delivery of orders booked by online customers. They also planned to maintain private transportation, staff for booking / allocating, and truck drivers to transport goods to customers from the warehouses. This proposed system will help customers to book items online and provide convenience to address the needs of their customers, considering the lowest price and quick delivery. This system will enable customers to procure fresh groceries and other perishable items with same-day pickup or home delivery. This system will also assist customers in processing payment, order tracking and returning / cancelling the booked orders. The new system will also help inventory management and link suppliers for necessary replenishment. The system should generate sales, inventory reports to managers and invoices, and customer receipts as and when required. The system should be highly restricted to authorized users with privileges and confidentiality. You are a system analyst hired by SmallMart to develop the Online ordering system that should be able to perform tasks according to the details provided in the above case study. However, you may make necessary assumptions with proper documentation, which should be supported by a valid justification that needs to be reflected in your report. You can also assume any possible functions necessary to function in this business case. 1. Use Case Diagram: Provide the name and complete description of a use case for the proposed system and draw a use case diagram. 2. Activity Diagram: Provide an activity diagram for the use case identified above. 3. Sequence Diagram: Provide a sequence diagram related to the case study. 4. Class Diagram: Provide the class diagram for the proposed system 5. User Interface: Provide a final user interface design using paint or any software for above use cases