Under FIFO, your ending inventory consists of the most recently purchased units at their most recent costs. This method matches physical flow in most businesses like grocery stores where older stock must move first to prevent spoilage. This is the real knowscape from knowhere, not a picture of one. Drag it. Watch what actually changes.
When identical items cost different amounts, you have to pick which cost you're recording. The pick changes your profit.
FIFO assumes the oldest inventory items are sold first, so ending inventory reflects the most recent purchase costs and mirrors actual physical flow in perishable goods businesses.
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