An internal auditor is reviewing the accuracy of commission payments by recalculating 100% of the...

Per Standard 2310 – Identifying Information, auditors must evaluate the significance of variances and determine whether further investigation is required. Not every small discrepancy requires full investigation or reporting; the auditor should apply professional judgment to assess materiality, risk, and root cause.

Option B is correct because it balances efficiency with sufficiency. Options A, C, and D either understate or overstate the auditor’s responsibility.