Anong Mali is the purchasing manager at Wattana Technologies. She has responsibility for reviewing and authorizing purchase orders.

Anong Mali is the purchasing manager at Wattana Technologies. She has responsibility for reviewing and authorizing purchase orders. Receiving reports are prepared by shipping and receiving based on the relevant purchase order(s). Purchase orders, receiving reports, and vendor invoices are reconciled by accounts payable, which authorizes payment. Which of the following would correct control weaknesses related to these activities?