LIFO COGS - FIFO COGS = difference what is that difference called?

Lifo reserve?

There is no term for that. FIFO Inventory - LIFO Inventory = LIFO Reserve.

no, thats the FIFO Inv - LIFO Inv on the B/s

ok. just wanted to make sure.

LIFO COGS - FIFO COGS = Delta LIFO Reserve * (1-T) where Delta means (Change in )…