An Asian man goes on a trip to America

He goes to an American Bank to converts his money to dollars, while going through his trip he meets a generous old friend who decides to let him stay in his place and also pay for his expenses during his stay.

After a few days he decides to return back to his country and heads to the bank to convert his money back. But the Asian man sees that he received less money than he previously had even though he hadn't spent anything, so he asks about this to the banker. The banker said," fluctuations ".

The Asian man replied," fluck you Americans too".