[urgent!] exchange currency?au to us dollar....?

if i go to banks and exchange for 10us dollar....will they do that for me?but do they charge commission fee?how much do they charge?
thanks

Answer:
usually between 2-4%..if they charge more find another bank
you'll pay almost as much in commission.
unless you are in the UK. you can go to the post office where its commission free!
http://in.finance.yahoo.com/currency/con... try here