Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

Which inventory method is least likely to be used under IFRS?
Option A:First in, first out (FIFO).
Option B:Last in, first out (LIFO).
Option C:Weighted average.

Answer: B