The flowchart shown below depicts the activities relating to the purchasing, receiving, an...

The flowchart shown below depicts the activities relating to the purchasing, receiving, and accounts payable departments of Model Company, Inc.

Required:

Based only on the flowchart, describe the control activities that most likely would provide reasonable assurance that specific assertions regarding purchases and accounts payable will be achieved. Do not describe weaknesses in internal control.

(AICPA, adapted)