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.

Regarding the reporting model of long-lived asset, which of the statements is correct?
Option A:Cost model is permitted under IFRS but not under US GAAP.
Option B:Fair value model is permitted under IFRS but not US GAAP.
Option C:Revaluation model is permitted under US GAAP but not under IFRS.

Answer: B