First In, First Out (FIFO) The first in, first out (FIFO) method assumes that the first unit making its way into inventory–the oldest inventory–is sold first. For example, let's say that a bakery ...

What Does FIFO Stand For? FIFO stands for ‘First In, First Out’. It is an accounting method used to track the cost of goods sold (COGS). Under FIFO, the cost of inventory purchased first is recognised ...