If you are employed at a small food service operation, can the manager not follow FIFO because of the small amount of business his establishment handles?
FIFO is very important because it not only helps you use your resources wisely, but it also ensures that you are giving your clients product that fresh.
First In First Out inventory method is important to use to ensure you are using the oldest items first, you don't want your inventory to expire or go to use something that has gone bad. Especially with a small business using old inventory first is important for freshness.