Dude, you are just copying nonsense from other sources. You need to learn to read. That is your first priority.Don't just copy nonsense from other sources. First try to understand global economy.
It is not 10 billion, it is even less then 9 billion from which we should still substract all economical benefits. 1,5 billion already of scientific research.
If the UK will leave we will at least not miss your "intelligence". The average IQ of the EU population will raise after the UK left (not sure if you understand what I mean unfortunatelly).
PS: lower taxes and new incentives will add additional costs.
£10 billion is the net contribution to the EU annually. We will no longer pay this.
Note I'm done with you now. Only a moron would have a problem with peaceful protests in the UK.