This report delves into the intricacies of financial decision-making within a business context, emphasizing the roles of accounting and finance functions. The introduction establishes the significance of these functions in ensuring long-term profitability and sustainability. Task 1 meticulously outlines the accounting functions, including financial accounting, management accounting, auditing, and taxation, highlighting their crucial roles in recording, classifying, and interpreting financial transactions, as well as providing insights for internal management decisions and external stakeholder evaluations. The finance functions, encompassing investment decisions, financial decisions, dividend decisions, and liquidity decisions, are also thoroughly examined, illustrating their impact on capital allocation, financing strategies, dividend policies, and working capital management. Task 2 then introduces ratio analysis, using data from Skanska plc to calculate and interpret key financial ratios such as Return on Capital Employed, Net Profit Margin, Current Ratio, and various turnover ratios. The report concludes with an analysis of the implications of these ratios, offering suggestions for investors and providing a comprehensive overview of the company's financial health and performance.