Advises the materials manager of unusual or remarkable cost of purchasing and consumption of inventory and non - inventory items and recommends practices to reduce such cost including suggestions of alternative sources for products 对酒店仓储和非仓储物品的非正常购买和消耗导致成本上升的现象向物料部经理提出更换其他购置渠道的实质性合理化建议,以有效地降低此类成本。