Key Takeaways 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 ...

The Tax Court held that a business taxpayer’s automatic consent request to change from the last-in, first-out (LIFO) inventory method failed due to defects in its Form 3115, Application for Change in ...