Master how to calculate sales tax and find out how much you'll really pay. Includes tips, examples and local tax rate info.

Does this sound familiar? You need to make a major purchase, so you research products, decide on the best one, and wait for the best price. You go to buy it, and the final price is more than you ...

Learn about gross, operating, and net profit margins, how each is calculated, and how businesses and investors can use them ...

Sales tax holidays are brief windows during which a state waives sales taxes, typically limited to certain categories of ...