This report provides a comprehensive literature review of Wesfarmers, a major Australian enterprise, focusing on its adoption of accounting software. It begins with an introduction to Wesfarmers' business structure and operational issues, including departmental trustworthiness, operational inefficiency, retail challenges, accounting errors, cost issues, and management problems. The report then explores the system acquisition method, highlighting the selection of ERP software and its advantages for Wesfarmers. A sales procedure flowchart is presented, followed by an identification of system control issues. Part 2 delves into the adoption of accounting software packages, specifically MYOB ERP, and analyzes Wesfarmers' current market size, identifies key market leaders, and discusses current gaps and challenges, suggesting a potential shift to XERO ERP as the accounting software of choice. The report concludes with references to supporting literature.