Correct Option: C Explanation of Why Option C is Correct: An effective accounting system is designed to provide relevant and accurate information that supports decision-making for various stakeholders. Option C states that the system should provide information on internal and external reporting for managers and third parties. This is crucial for several reasons:

1. Internal Reporting: Managers need timely and accurate financial data to make informed decisions about operations, budgeting, and strategic planning. Internal reports, such as income statements, balance sheets, and cash flow statements, help managers assess the company's performance and financial health.
2. External Reporting: Third parties, including investors, creditors, regulatory agencies, and the public, require financial information to evaluate the company's performance and compliance with laws and regulations. External reports must adhere to accounting standards (like GAAP or IFRS) to ensure transparency and comparability.
3. Decision-Making: Both internal and external reports provide insights that are essential for effective decision-making. For example, managers may use internal reports to identify cost-saving opportunities, while investors may analyze external reports to decide whether to invest in the company.
4. Stakeholder Communication: An effective accounting system facilitates communication with various stakeholders. By providing clear and accurate financial information, the company can build trust and credibility with its investors, creditors, and other interested parties.

Why the Other Options Are Weaker:

• Option A: on new product and methods
• While information on new products and methods can be valuable, it is not the primary focus of an accounting system. Accounting systems are primarily concerned with financial data rather than operational or product development information. Therefore, this option does not capture the core purpose of an accounting system.
• Option B: for customer feedback and requirements
• Similar to Option A, customer feedback and requirements are important for business operations and marketing strategies but are not the main function of an accounting system. Accounting systems do not typically gather or analyze customer feedback; they focus on financial transactions and reporting.
• Option D: for promoters, directors, labour union and distributors
• While this option mentions various stakeholders, it is too broad and does not emphasize the critical aspect of internal and external reporting. Promoters, directors, labor unions, and distributors may require specific information, but the essence of an effective accounting system lies in its ability to provide comprehensive financial reporting to both internal and external parties.

Summary of Key Points:

• An effective accounting system provides essential financial information for both internal (managers) and external (third parties) reporting.
• Internal reports help managers make informed operational and strategic decisions.
• External reports ensure compliance and transparency for stakeholders like investors and creditors.
• The primary focus of an accounting system is on financial data, not operational or customer feedback information.

By understanding these concepts, students can appreciate the importance of a robust accounting system in supporting business operations and stakeholder communication.