Buy Gold for Special Price and Get The Unique Tank for Free!

Renyojd, on 24 March 2011 - 03:25 PM, said: Guys (Devs) - just a quick thing. Haven't completed the transaction yet - but below is what I got:
As far as I have calculated (using the current USD/GBP spot rate) the £63 figure is the $90 conversion including VAT at about 15%. Fine
Why then do I get the following from the payment server?
£68.71 via credit card (and other options)
£65.43 via paypal
Transactional costs?