I see Cameron is ranting and raving about how it is unfair, the electorate won't stand for it and he is refusing to pay. Any guesses on how long it will take him to fold under pressure? 
Actually he's only said he's refusing to pay by December the 1st
But what Darwin said applies. Although by now the UKIP difficult sums machine has probably already recalculated this as £1.5B per month.