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I had a bunch of Canadian dollars I needed to exchange, so I went to
the currency exchange window at the local bank. Short line...just
one person in front of me, an Asian guy who was trying to exchange yen
for dollars, and he was a little agitated.

He asked the teller, "Why it change? Yesterday I get two hunat
dollar
of yen - today I only get hunat eighty? Why it change?"

The teller says, "Fluctuations."

The Asian guy says, "Fluc you white people too!"