and also not to sound like a pound—shop tim harford or a 99p tim harford... never! every working family pays exactly the same amount of tax in their household and this is spread equally amongst everyone. and also it's four years�* worth of imaginary tax increases added up into one number. and i don't really think of my taxes in four—yearly chunks. so just even as a number, it sort of doesn't quite add up. and the debate kind of above the debate about this figure is about strategy, and whether it is worth it for the conservatives that we've just had this discussion and people like us are having this discussion. even if part of that discussion concerns, frankly, rishi sunak's honesty — frankly, the conservative party's honesty. and i don't know the answer to that. a lot of people comparing it to £350 million a week for the nhs during the 2016 eu referendum campaign, but one thing i would say, at the risk of sounding pompous and grand, is thatjust over 4 million people watched the debate in which rishi sunak made that claim on tuesday. more than double that number, 9 m