Part A : Case Study 01: (60 marks) This assessment focuses on Computer Warehouse, a wholesale firm specialising in computer hardware supply to large companies. The objective is to enhance operational efficiency through the integration of in-store operations via computerisation. As a consultant in accounting information systems, you have been engaged to assist the firm in documenting their ordering system. This assessment evaluates your ability to analyse the current system, propose enhancements, and provide comprehensive documentation to support the integration process. "Computer warehouse is a wholesale firm that supplies computer hardware to large companies. Accepting orders is subject to the customer meeting agreed upon terms of payment. Details of rejected orders are recorded in the customer data file as part of customers credit history. Customers can pay for their orders either via electronic fund transfers or direct deposits into the firm's bank account. In the interest of safety, computer warehouse does not accept cash payments. For each order that is verified and accepted, an invoice is generated, and a pick list is sent to the warehouse. The orders are processed once their payments are received. Each order is handled by a specific sales representative, who earns a commission on each sale. The firm has six basic data files, which contains customer information, warehouse information, product information, account receivable, sale information, and payments information, respectively. Over the next few years, the company expects to become a multimillion-dollar operation. The need to computerise their in-store operations, the company has begun the process by calling you to assist them with documenting the ordering system". Required: System Analysis: 1) Analyse the existing ordering system of Computer Warehouse, identifying its key components and processes. (20 marks) System Documentation 2) Create a context diagram and a level 0 DFD diagram for the order system at computer warehouse (20 marks) Implementation Plan: 3) Discuss the challenges and risks associated with the proposed enhancements. (20 marks)