This document discusses ratio analysis, which is a quantitative process used to identify aspects of a business's performance to aid decision making. It covers five main areas of ratio analysis: liquidity, investment/shareholders, gearing, profitability, and financial. Specific ratios are defined within each area, such as current ratio and acid test for liquidity, earnings per share for investment/shareholders, gearing ratio for gearing, gross profit margin and return on capital employed for profitability, and asset turnover and stock turnover for financial ratios. The purpose and ideal levels of each ratio are also outlined.