An organization has a goal to prevent the ordering of inventory quantities in excess of its needs. One individual in the organization wants to design a control that requires a review of all purchase requisitions by a supervisor in the user department prior to submitting them to the purchasing department. Another individual wants to institute a policy requiring agreement of the receiving report and packing slip before storage of new inventory receipts. Which of these controls is (are) relevant in achieving the stated goal? Explain your answer.