Inventory costs are important to consider Inventory turnover(存货周转率, the number of times that inventory is sold in a one-year period 年内存货销售的次数 inventory turnover- cost of goods sold(年销售额) average inventory(年平均库存) 存货周转率高,库存管理的效率高;反之,意味着 库存占用资金量大(一般而言,越高越好) But,并非周转率越高就越好, low inventory turnover high inventory carrying costs, little(or no) stockout costs, high inventory turnover= low inventory carrying costs, high stockout costs Managing the tradeoff is important to maintain service levels 9-119-11 Inventory costs are important to consider average inventory ( ) cost of goods sold( ) inventory tureover 年平均库存 年销售额 = Inventory turnover(存货周转率), the number of times that inventory is sold in a one-year period 一年内存货销售的次数 存货周转率高，库存管理的效率高；反之，意味着 库存占用资金量大(一般而言,越高越好) But,并非周转率越高就越好， low inventory turnover = high inventory carrying costs, little (or no) stockout costs ，high inventory turnover = low inventory carrying costs, high stockout costs Managing the tradeoff is important to maintain service levels