Nefret created a 250-page list of approximately 1000 vendors supporting advertising credit of 500000 Nefret's auditors selected a sample of 8 of the 2500 items for direct confirmation One item was confirmed by telephone One traced to cash receipts one to a vendor's credit memo for part of the amount and cash receipts for the rest, and one to a vendor's credit memo Two of the amounts confirmed differed from the amount on the list but the auditors did not seek an explanation for the difference because the amounts were not material
The rest of the credits were tested by selecting 30 items (several from each page of the list) Fourteen of the items were supported by examining the ads placed, and sixteen were supported by Nefret debit memos charging the vendors for the promotional allowances