Ratio analysis is a financial tool used to assess various aspects of an enterprise's performance, including profitability, solvency, liquidity, and operational efficiency. It involves the calculation of key financial ratios, such as:
\[
\text{Profitability Ratios (e.g., Gross Profit Ratio, Net Profit Ratio)}
\]
\[
\text{Solvency Ratios (e.g., Debt-Equity Ratio, Interest Coverage Ratio)}
\]
\[
\text{Efficiency Ratios (e.g., Inventory Turnover Ratio, Debtors Turnover Ratio)}.
\]
These ratios provide detailed insights into the financial health of a business, aiding in informed decision-making.
Conclusion:
The tool used to assess profitability, solvency, and efficiency is \( Ratio Analysis \).