That is one of the most frustrating things about shopping in America: that taxes are always broken out separately, requiring extensive mental math. The purpose

That is one of the most frustrating things about shopping in America: that taxes are always broken out separately, requiring extensive mental math. The purpose is, as you suggest, forcing people to confront the reality of taxes. But confronting that reality is not making us rise up against sales taxes, so... include the tax in the marked price! /petpeeve