Which transportation method is the least effective in JIT systems? Railways Trucking Airways Waterways D Question 13 1 pts Manufacturing is alan) upstream activity. midstream activity. downstream activity. None of the above ABC analysis is based upon the principle that all items in inventory are of equal importance. there are usually a few critical/valuable items, and many items which are much less critical/valuable. the annual dollar volume of all items in inventory will be approximately the same. the degree to which an item is critical/valuable depends upon its unit price only. Question 15 1 pts The two most important inventory based questions answered by the typical inventory model are when to place an order; what is the cost of the order. when to place an order; how much of an item to order. how much of an item to order; what is the cost of the order. how much of an item to order; with whom should the order be placed