Final answer:
The principle of an efficient accounting system that states that an accounting system should accommodate a variety of users is flexibility.
Step-by-step explanation:
The principle of an efficient accounting system that states that an accounting system should accommodate a variety of users is flexibility.
Flexibility is an essential principle in an efficient accounting system. It refers to the system's ability to adapt and cater to the diverse needs of different users, such as managers, investors, and tax authorities. An accounting system should be designed in a way that allows it to generate relevant and useful information for all these users.
For example, a flexible accounting system can provide detailed financial statements for managers to make informed decisions, simplified reports for investors to assess the company's performance, and accurate records for tax authorities to ensure compliance with regulations.
In conclusion, by embracing flexibility, an accounting system can meet the requirements and expectations of its various users, making it more efficient and effective.
Therefore, the correct answer is b. flexibility.