During an audit of a retail company, Lily, newly hired internal auditor, found a scheme in which the warehouse manager and a purchasing staff diverted approximately Php2 million worth of goods to an outside warehouse, the sold the goods to third parties. The fraud was not found earlier by the internal audit team since the warehouse manager updated the perpetual inventory records and then forwarded receiving reports to the accounts payable department for processing.

Which of the following procedures did Lily perform which would have most likely led to the discovery of the missing materials and the fraud?

Group of answer choices

Selecting a random sample of purchase orders and trace to receiving reports and to the records in the accounts payable department.

Performance of physical inventory count, then reconciliation of the amounts with the perpetual inventory records.

Random sampling of sales invoices and tracing to the perpetual inventory records to see if inventory was on hand.

Random sampling of receiving reports and tracing to the recording in the perpetual inventory records.