Requiring All Packing Slips Be Reconciled to Purchase Orders Before

Requiring all packing slips be reconciled to purchase orders before accepting a delivery of inventory would be most likely to prevent which of the following situations?

A) A supplier delivers more inventory than ordered at the end of the year and sends an invoice for the total quantity delivered.
B) An employee mails a fake invoice to the company,which is then paid.
C) The inventory records are incorrectly updated when a receiving department employee enters the wrong product number on the receiving report.
D) Receiving department employees steal inventory and then claim the inventory was received and delivered to the warehouse.