Sales taxes are determined by the states. The US federal government doesn't have a sales tax. Those taxes are, generally, across the board; though most states give exemptions to groceries.

whomod said: I generally don't like it when people decide to play by the rules against people who don't play by the rules.
It tends to put you immediately at a disadvantage and IMO is a sign of true weakness.
This is true both in politics and on the internet."

Our Friendly Neighborhood Ray-man said: "no, the doctor's right. besides, he has seniority."