It's relevant because, actually, fundamentally, what this bill is about tonight is incentives. It is about the thresholds at which we set income tax adjustment payments to make sure that those families who are slogging it out—who are having to pay petrol for the car, having to organise childcare, having to pay for lunch at the canteen instead of eating at home, having to face all of those extra costs of working, and putting their effort in—are actually getting more ahead than those who are not making those sacrifices. 