This report provides a detailed overview of management accounting principles, focusing on costing techniques, budgetary control, and financial analysis. The introduction defines management accounting and its importance in organizational decision-making, emphasizing its role in financial planning, control, and evaluation. The report analyzes Tesco, a multinational grocery company, as a case study, examining its financial structure and market capitalization. Task 1 explores management accounting systems, types of management accounting reporting, and the integration of Management Accounting Systems (MAS) and management accounting reports. Task 2 delves into different costing techniques, including marginal costing and absorption costing, with numerical examples. Task 3 discusses the advantages and disadvantages of planning tools used for budgetary control. The report concludes with a comparison of how organizations adapt management accounting systems to address financial problems, highlighting the role of planning tools in solving financial issues.