12. Which of the following represent authorization controls for information processing in the inventory process? A. Written approval should be required before any item of equipment, materials, goods, or scrap can be removed from the plant facilities. B. Inventory part or product numbers should be validated by check digits or by table/file look-up. C. Access to inventory in the warehouse should be limited to only those individuals authorized by badge or biometrics. D. Pre-numbered documents should be used for all inventory adjustments, disposals, and work order requisitions