Instructions - Assignment #4 - Up to 1hr30min to complete - Due Mon 8/8 by end of day - Review the requirements on the next slide. - Complete an Essential UI and UI Flow diagram and then copy and paste your work into this powerpoint. Blank slides are provided. As there is no official UML Essential model or Flow diagram you may either use a UML Activity diagram or powerpoint to create the diagrams. - Save your work as yourName_UIAssign.ppt. - Upload using the link provided in the Assignment folder. - Please sign this document. Assignment #4 Create an Essential UI diagram and UI flow diagram Order Management System An e-retail store has asked you to develop an order and inventory management system. Customers can place order directly using this system over the web. They can also use the system to cancel an order that was placed earlier or to check order status. The store also sends out catalogs to potential customers. These catalogs feature combinations of different items in the store's inventory. Each such combination - called as a product item - may be featured in different catalogs with different prices. Customers can identify product items that they would like to order using the catalog IDs and product item IDs (when they call the customer service representation over phone or when they place order over the internet). Orders can be shipped by different shipping companies depending on the options chosen by the customer. The system will also be used to process payments. The store takes credit card and check payments. Your Essential UI goes here... Your UI flow goes here