This, naturally, would allow the Spaniards to take a huge slice of cost out of Abbey, keeping the name but getting rid of a lot of the back office, all of which makes the current price look even more of a bargain. But the Scots are also as pleased as punch because the huge slice of third-party revenue the deal generates will bring about a major improvement in the RBS cost-income ratio, add substantially to profits and give it a significant competitive advantage over its rivals.