先入先出法
first in first out method
是假定最早購入的存貨最先出售或使用，適用於快速周轉的存貨。由於假定期末時的存貨是最遲購入的，資產負債表上的存貨金額接近期終市值。不過，在通脹期，此方法會使盈利誇大
ACCOUNTING method of valuing INVENTORY under which the costs of the first goods acquired are the first costs charged to expense. Commonly known as FIFO.