When observing the taking of a physical inventory at year-end, the auditors will record the serial number of the last issued to verify the accuracy of the cutoff of accounts payable. 2. auditors often obtain written from management regarding the existence of unrecorded payables. 3. accounts payable from important vendors should be confirmed, even though the accounts have balances at year-end. 4. proper balance sheet presentation of accounts payable requires that any material amounts payable to such as directors and officers, be disclosed separately from other accounts payable. 5. auditors are primarily concerned with establishing the of recorded accounts payable.