This report provides a comprehensive analysis of BHP Billiton, a major multinational metal, mining, and petroleum company. It begins by examining BHP Billiton's organizational structure, highlighting the roles of the board of directors, CEO, and various committees, and identifies potential inefficiencies stemming from the company's size. The report then explores the most likely system acquisition method for BHP Billiton, recommending an Enterprise Resource Planning (ERP) system due to the company's diverse operations and the need for a centralized data collection. The report also outlines the company's sales procedures for different commodities, including precious metals, iron, and crude oil, and identifies potential control problems and fraud risks within these procedures. Finally, the report delves into accounting software, evaluating different options like Xero and Oracle NetSuite, and recommends Oracle NetSuite as the most appropriate solution. The report also discusses challenges faced by users of accounting software, such as data management and security concerns, and concludes by emphasizing the benefits of an ERP system for BHP Billiton.