Click to watch the Tell Me More Learning Objective 1 video and then answer the questions below 1. Which of the following documents is often used for inventory control? a. Vendor's invoice b. Receiving report c. Purchase order d. All of these choices are correct. 2. With a perpetual inventory system, when should a physical count of inventory be taken? a. Near year-end b. Mid-year c. Never; a physical count is not needed with a perpetual inventory system d. None of these choices are correct