Inventory Methods: FIFO vs. LIFO vs. Average Cost vs. Specific Identification and Periodic vs. Perpetual

I apologize in advance: this article’s long. Every inventory method has two important characteristics: How will costs be assigned to cost of goods sold (COGS) and ending inventory (EI)? When will those costs be assigned to COGS and EI? There are four possible answers to the first question: First-in, first-out (FIFO) Last-in, first-out (LIFO) Average […]

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