This document provides an overview of inventory valuation methods. It begins with learning objectives related to identifying inventory classifications, distinguishing perpetual and periodic inventory systems, and understanding the treatment of inventory costs. The document then discusses the major classifications of inventory, physical goods included in inventory, and costs that make up inventory value. It also explains specific identification, average costing, FIFO, and LIFO inventory cost flow assumptions. The document concludes by comparing inventory valuation methods and explaining why companies select different methods.