Which basic accounting principle ensures consistency of accounting methods over time?

• A. Consistency
• B. Materiality
• C. Historical Cost
• D. Objective Principle

Answer: (A)

Consistency in applying accounting methods over time is the concept being tested. It means once you choose a method for measuring or presenting a transaction, you should continue using it in subsequent periods so financial statements remain comparable. If a change is justified, standards require clear disclosure and often retrospective adjustment to preserve comparability.

Materiality concerns whether information is significant enough to affect decisions, not about maintaining the same methods over time. Historical cost refers to recording assets at their original purchase price, which is a measurement basis rather than a requirement to keep methods unchanged. The Objective Principle focuses on reliability and verifiability of information, not on the obligation to apply the same accounting methods across periods.

So, the best answer is consistency.