Too much if you have to ask!
2.8 cents per kilowatt hour
it all depends on the bank on what they want to charge for fees...normally it's like 2% of what you're withdrawing
it varys in price http://www.eurotunnel1.com/direct/booking/journey.asp?lang=en
It's free! But if you wish to make a donation (which everyone who goes should), I'm pretty sure it would be gladly and gratefully accepted.