Wilson Ltd has a reconciliation problem. The amount of new goods booked into inventory records by the warehouse staff does not always seem to match with the amount of goods recorded as received by the goods receiving staff. Wilson Ltd seems to have good controls, it has separated the receiving and warehousing of goods, and it regularly conducts ad hoc duplicate counts of inventory items received.

(a) Which internal controls might be missing? (LO5)

(b) What could you do in order to investigate this problem? (LO4)