[wdmmg-discuss] Total tax paid as a function of income and other variables?

[Alistair Turnbull]

On Mon, 1 Nov 2010, Rufus Pollock wrote:

> We've already done some work [snip]
>
> Given this is a bit more challenging (and important) we can offer a
> lovely Open Knowledge Foundation black t-shirt to the best answer
> *posted on the ask site* (I'll grudgingly accept emails too :) )

In the unlikely event that you get no answers at all, I claim the T-shirt 
for the existing code. ;-)

 	Alistair