>I see others have given the answer.
>
>I just wanted to point out that a government imposing a tax on another tax is one of the scummiest things it can do. But, your calculation example is correct: http://www.revenuquebec.ca/en/entreprise/taxes/tvq_tps/default.aspx

Well, I am analyzing the replies to this thread and, so far, the closest one is from Andrew. But, it gives 500.03$ instead of 500.00$. I have been asking myself if this is possible. Because, of the problem of one tax over another. You pointed that out in your reply. I agree with that.