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.

TesiaCompany recognized an impairment loss of $40,000 for equipment on 2019.12.31. After the impairment treatment, the carrying value of the asset is $450,000 and recognized as held for use. In 2020, the fair value of the equipment is $500,000. What is the revaluation gain or loss recognized in the income statement?Under IFRS Under US GAAP
Option A:50,000 50,000
Option B:0 40,000
Option C:40,000 0

Answer: C