In article ,
raden writes:
... And is there anybody who hasn't noticed that Safeway and Homebase
charge 2.5% for credit card payments now - for CC administration. How
much do they pay on transactions, 1% ?

Lots of places do, but it's not added to the bill.
Are you saying Safeway and Homebase add 2.5% extra on?

BTW, it costs business to handle cash or cheques too.
A know a corner shop keeper. He ends up with a surpless
of £1 coins, but a large deficit of coppers. He has
to pay to buy coppers from the bank, and pay to return
surplesses of £1 coins.

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Andrew Gabriel