Key points: Describe both perpetual and periodic inventory systems. Analyze and record transactions for merchandise purchases using a perpetual system Analyze and record transactions for merchandise sales using a perpetual system Define and prepare multiple-step and single-step income statements. Difficult points: Record and compare merchandising transactions using both periodic and perpetual inventory systems 3.问题与应用（能力要求） Explain why use of the perpetual inventory system has dramatically increase (三)思考与实践 How do we compute gross profit foramerchandising company? (四)教学方法与手段 课堂讲授、多媒体教学、作业等。 Chapter6 Inventories and Cost of Sales (一)目的与要求 (1Identify the items making up merchandise inventory. (2)Identify the costs of merchandise inventory. (3)Compute inventory in a perpetual system using the methods of specific identification,FIFO,LIFO,and weighted average. (4)Compute the lower of cost or market amount of inventory. (5)Appendix 6A:Compute inventory in a periodic system using the methods of specific identification.FIFO.LIFO,and weighted average (二)教学内容 1.主要内容 (1)Inventory Basics Determining inventory items,Determining inventory costs,Intemal controls and taking a physical count. (2)Inventory Costing under a Perpetual Inventory System Inventory cost flow assumptions,Inventory costing illustration,Specific identification,First-in first-out,Last-in first-out,Weighted average,Financial statement effects of costing methods,Consistency in using costing methods. (3)Valuing Inventory at LCMand the Effects Inventory Errors 9 Key points： Describe both perpetual and periodic inventory systems. Analyze and record transactions for merchandise purchases using a perpetual system. Analyze and record transactions for merchandise sales using a perpetual system. Define and prepare multiple-step and single-step income statements. Difficult points： Record and compare merchandising transactions using both periodic and perpetual inventory systems. 3. 问题与应用（能力要求） Explain why use of the perpetual inventory system has dramatically increase. （三）思考与实践 How do we compute gross profit for a merchandising company? （四）教学方法与手段 课堂讲授、多媒体教学、作业等。 Chapter 6 Inventories and Cost of Sales （一）目的与要求 （1）Identify the items making up merchandise inventory. （2）Identify the costs of merchandise inventory. （3）Compute inventory in a perpetual system using the methods of specific identification, FIFO, LIFO, and weighted average. （4）Compute the lower of cost or market amount of inventory. （5）Appendix 6A: Compute inventory in a periodic system using the methods of specific identification, FIFO, LIFO, and weighted average. （二）教学内容 1. 主要内容 （1）Inventory Basics Determining inventory items, Determining inventory costs, Internal controls and taking a physical count. （2）Inventory Costing under a Perpetual Inventory System Inventory cost flow assumptions, Inventory costing illustration, Specific identification, First-in first-out, Last-in first-out, Weighted average, Financial statement effects of costing methods, Consistency in using costing methods. （3）Valuing Inventory at LCM and the Effects Inventory Errors