Of course, this is a question the Minister should be very careful about answering, because, of course, we're going to know the answer. One thing the IRD does is it publishes very good statistics about the amount of revenue that emerges. So I guess it would be helpful for the Minister to just tell the committee now: does he think that they're going to get the $550 million, which is what we hope will be raised if there's no behavioural change, or does he think that, actually, the amount of money raised will be quite a lot less? He's asking the officials now—that's a good sign. Do we think it will be less than that, or do we think, actually, there could somehow magically be more? Because one of the things that we heard in the second reading—from, I think it was, Greg O'Connor—is that, actually, there are people who are begging to pay more tax. So is it possible that the advice the Minister has received doesn't capture the full amount of tax that might be paid? Because, actually, if we take some of the Labour members who spoke earlier seriously, this might be seen by taxpayers as an opportunity to pay even more tax than expected.