This document discusses liquidity ratios and how they can be used to assess the performance of a business. It provides information on what liquidity is, why it is important for businesses to be liquid, and defines two key liquidity ratios: the current ratio and acid test ratio. Formulas for calculating each ratio are given. Businesses are instructed to calculate these ratios for a company called Evergreen to analyze its liquidity and performance, determine if the results are good or bad, compare them to industry averages, and suggest ways to improve any issues.