Correct Option: B. Facilitate decision making Detailed Explanation: Accounting ratios are essential tools in financial analysis that help stakeholders, including management, investors, and creditors, make informed decisions. Here’s a step-by-step breakdown of why option B is the correct answer:

1. Understanding Accounting Ratios:
2. Accounting ratios are derived from the financial statements of a company, primarily the balance sheet and income statement. They provide insights into various aspects of a company's performance, such as profitability, liquidity, efficiency, and solvency.
3. Facilitating Decision Making:
4. Comparative Analysis: Ratios allow for easy comparison between different companies or against industry benchmarks. For example, a company can compare its return on equity (ROE) with that of its competitors to assess its performance.
5. Trend Analysis: By calculating ratios over multiple periods, stakeholders can identify trends in a company's performance. For instance, a declining current ratio over several years may indicate worsening liquidity, prompting management to take corrective actions.
6. Identifying Strengths and Weaknesses: Ratios help in pinpointing areas where a company excels or needs improvement. For example, a high gross profit margin indicates strong pricing power or cost control, while a low inventory turnover ratio may suggest overstocking or weak sales.
7. Supporting Strategic Planning:
8. Ratios provide a quantitative basis for strategic decisions. For instance, if a company’s debt-to-equity ratio is high, management might decide to reduce debt or seek equity financing to improve its capital structure.
9. Enhancing Communication:
10. Ratios simplify complex financial data into understandable metrics, making it easier for stakeholders to communicate financial health and performance. This is particularly useful in discussions with investors or during board meetings.

Why the Other Options Are Wrong or Weaker:

• Option A: Can be easily calculated:
• While it is true that accounting ratios can be calculated relatively easily, this is not their primary advantage. The ease of calculation does not inherently provide value; rather, it is the insights gained from these calculations that facilitate decision-making. Therefore, while this statement is accurate, it does not capture the core benefit of accounting ratios.
• Option C: Are stipulated by law:
• This option is misleading. While certain financial reporting standards may require specific disclosures, accounting ratios themselves are not mandated by law. They are tools used for analysis and are not legally required. This makes this option less relevant in the context of the advantages of using accounting ratios.
• Option D: Shows error and fraud:
• Although unusual ratios can sometimes indicate potential errors or fraud, this is not a primary function of accounting ratios. Ratios are not designed specifically to detect fraud; rather, they are analytical tools. Relying on ratios alone to identify fraud can be misleading, as they do not provide direct evidence of wrongdoing. Thus, this option is not a strong advantage of using accounting ratios.

Summary for Revision:

• Accounting ratios facilitate decision-making by providing insights into a company's performance.
• They allow for comparative and trend analysis, helping identify strengths and weaknesses.
• Ratios enhance communication of financial health to stakeholders.
• The other options either misrepresent the purpose of ratios or focus on less significant aspects.