The FIFO inventory method is when a business sells or uses their oldest stock first. In other words, the first products ...

The last-in, first-out (LIFO) method assumes that the last unit to arrive in inventory is sold first. The first-in, first-out (FIFO) method assumes that the oldest unit of inventory is sold first.

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 ...