Before the budget is revealed, a reminder of the CAtO rules of budget analysis:
1) How much per year?
2) For how many years?
3) How much is new money?
4) Is the money allocated for sure or conditionally?
Anyone breathlessly referring to $X billion dollars for such and such - when the X billion is over 5 years and half the money was previously announced - will be mocked ruthlessly, or, in keeping with the gentle spirit here, with a small quantity of ruth.