The Problem Is, How Do You Summify Them?

The difficulty lies in, how do you then sum that up across a bunch of customers? And where Cedric got caught in a knot was they were like, ah, ones that start in January will be the same. They will be a zero percent increase. But those that start in February, well, they've got 11 twelfths. So they're going to have one more. It's an extra 11th because of the length of the year. You just look at it and you're like, oh, it doubles. The same result you would get if you then did a whole bunch of individual hypothetical customers and then add them all up  and then work out what the total