WHAT IT IS:
Sales tax is a consumption tax levied on goods and services purchased at the retail level, paid by the consumer and submitted by the retailer to the governing tax authority.
HOW IT WORKS (EXAMPLE):
In the United States, the sales tax is imposed on retail items. It is paid by the consumer to the retailer, usually as a percentage of the retail cost, who submits the payment to the state.
Sales tax rate and application varies dependant on the state. Sales tax can be applied by counties, cities and regions in addition to the state sales tax.