[djrogers]

I'd argue that showing pre-tax prices and charging tax at checkout makes the tax burden much more obvious to most consumers. Showing only the post-tax price on the tag hides the proportions of the tax vs item cost.

[mastef]

I was super-annoyed when first time in USA to find out I had to pay more at the cashier. Also it makes products seem cheaper than they really are - it's a cop-out to display pre-tax prices if you're billing more at the counter.

Are people shopping with a calculator?

[mbesto]

At the end of the year why does it matter what my VAT burden is anyway? As long as I have enough cash in the bank to pay for the things I need, and my bank account isn't negative at the end of the year, then I'm fine right? What behaviors are you trying to support?

[reitanqild]

Obviously. It also means you can't just sum together the prices of the stuff to get the total. It annoys me seriously every time.