This comprehensive report delves into the fundamental principles of management accounting, exploring its role in organizational decision-making and performance evaluation. It examines various management accounting systems, including cost accounting, inventory management, and job costing, highlighting their benefits and integration within organizations. The report further analyzes cost computation techniques, including marginal costing and absorption costing, and explores the advantages and disadvantages of different planning tools like budgets, zero-based budgeting, and incremental budgeting. It also demonstrates the application of these tools in real-world scenarios, showcasing how management accounting can be used to address financial problems and drive sustainable success. The report concludes by emphasizing the importance of management accounting in achieving organizational goals and navigating complex financial challenges.