The document summarizes the key principles of IAS 2 Inventories. IAS 2 provides guidance on determining the cost of inventories and cost formulas used, and requires inventories to be measured at the lower of cost and net realizable value. It defines inventories as assets held for sale, in production, or materials used in production. IAS 2 outlines costs that are included in inventory valuation, such as purchase price, conversion costs, and other costs to bring inventories to present condition. It also discusses costing techniques, cost formulas, and disclosure requirements.