51. An involce is prepared from the sales file and the shipping fle, both of which are stored on a hard drive Which of the following diagrams represents this activity? A. Choice A. B. Choice B. C. Choice C D. Choice D. 52. Product code WSHS00D08 is an example of A Sequence codes B. Block codes C Group codes D. Mnemonic codes E. None of the above. 53. An ERP system might faciltate the purchase of direct materials by all of the following except A Preparing a purchase order when inventory falls to the reorder point. 8. Selecting the best supplier by comparing bids C Routing a purchase order to a purchasing agent for approval D. Communicating a purchase order to a supplier E. Cand D