the United States, when you purchase an item at a store, you will
most likely have to pay a sales tax on top of the list price of the
item. Sales taxes are imposed by the states as is their constitutional
food items, like milk, bread and butter, are not taxed, except for
hot prepared foods.
tax varies by state, but the average sales tax is around 7.25%.
counties add on additional taxes to the state tax. For instance, if
you are purchasing an item at a store in Miami, you will pay 6.5%:
6% state sales tax and 0.5% county sales tax.
Sales Tax Clearinghouse lets you browse tax rates by state
or calculate sales tax based on your state and amount of purchase.