"Why don't you add up the difference between an announced surplus and the deficit produced by Labor, over the last 14 times they got it wrong, and see what that adds up to?" -----------------------------------/ Because that would show how the economy actually fared compared to how treasury thought it would based on the economic fundamentals at the time of the budget.
Hockey's "mistake" would be ON TOP of the "errors" from treasury.
Gotto laught at you you guys, you just brush off 90 billion dollar "mistakes" because of volatile times in the real economy.
Luckily for the country you guys are in the minority now.