Trial Balance Purpose: Verify Arithmetic Accuracy

Steps:

• Identify primary purpose: Trial balance lists all ledger balances to ensure total debits equal total credits, checking for math errors.
• Evaluate reason 1: It confirms arithmetical accuracy of postings, a core function.
• Evaluate reason 2: It does not directly prepare financial statements; that's for adjusted trial balance or worksheets.
• Evaluate reason 3: It helps locate some errors but isn't solely for that; main goal is balance verification.

Why B is correct:

• Trial balance's definition requires debits to equal credits for accuracy check, making reason 1 essential per double-entry bookkeeping rules.

Why the others are wrong:

• A includes 2, but trial balance isn't for statement preparation.
• C includes 2 and 3, both secondary or incorrect as primary reasons.
• D ignores 1, the fundamental purpose.

Not enough information on exact reasons 2 and 3, but B aligns with standard accounting principles.

Final answer: B