This report delves into the crucial role of management accounting in modern organizations, exploring its techniques, systems, and applications for achieving sustainable success. It examines various management accounting systems, including cost accounting, job costing, pricing optimization, and inventory management, highlighting their benefits and essential requirements. The report also analyzes different planning tools used in budgetary control, such as financial budgets, non-monetary budgets, and operational budgets, evaluating their advantages and disadvantages. Furthermore, it explores the application of marginal and absorption costing techniques for preparing income statements, comparing their methodologies and analyzing their impact on profitability. The report concludes by examining how organizations adapt management accounting systems to respond to financial problems and how these systems can contribute to sustainable success.