See earlier article about the maths of growth.
This is a modified screengrab of this page by the way.
It also contains the following quote from George Osborne:
This crisis provides an opportunity to make some difficult trade-offs in favour of growth that might get parked in the 'too difficult' box in calmer times
Now there's a euphemism for "We're going to shaft the poor so that the rich can stay rich if I ever saw one.