Which of the following is an advantage of a "pull" system? Question 4Select one: a. Inventory can be positioned in the distribution channel to meet antici-pated customer requirements. b. A single channel inventory plan is created to remove the inaccuracies arising in local replenishment decision making. c. The total working capital necessary to stock the channel is reduced by leveraging buying (discounting) and transportation economies of scale. d. Standard reorder point and distribution requirements planning (DRP) computer systems enable the planning systems of the entire supply chain to be integrated