This assignment requires a comprehensive analysis of the financial performance of two major supermarket chains, Sainsbury's and Tesco, for the years 2015 to 2017. Students need to calculate and interpret various financial ratios including Return on Capital Employed (ROCE), Return on Assets (ROA), Debt-Equity Ratio, Total Asset Turnover Ratio, Fixed Assets Turnover Ratio, and Inventory Turnover Ratio. This analysis will provide insights into the companies' profitability, solvency, liquidity, and activity, enabling students to draw conclusions about their financial health and performance.