> taxes vary depending on state, county, city, and/or taxing district, against a matrix of what type of service is being sold and what revenue limits, if any.

Ow well, if yhey cant figure out all these complexities, how do they know they are charging me the rifht amount?

US is really a wild place, if I demanded a random, unexplainable and higher than expected amount of money from my customers, I would be accused of fraud and no court would uphold my demands