Changing money

[size=14.545454025268555]I was at my bank today; there was a short line. [/size]
[size=14.545454025268555]There was just one lady in front of me, [/size]
[size=14.545454025268555]an Asian lady who was trying to exchange yen for pounds. [/size]
[size=14.545454025268555]It was obvious she was a little irritated . . . [/size]
[size=14.545454025268555]She asked the teller, "Why it change? [/size][size=14.545454025268555]
Yesterday, I get two hunat pound of yen. 
Today I only get hunat eighty? Why it change?" 
The teller shrugged his shoulders and said, "Fluctuations." 
The Asian lady said, "Fluc you white people too" !!![/size]