Answer:
Different firms may use different accounting practices.
Step-by-step explanation:
Financial ratios are ratios that summarises financial information and can be used in comparison of performance of companies.
Types of financial ratios :
1. Activity ratios
2. Liquidity ratios
3. Solvency ratios
4. Profitability ratios
5. Valuation ratios
If different accounting practices are used, it would result in different data. This can hamper comparison among companies