"What The Fuck Is WRONG With This Place?!?" And Others.

[Irving Patrick Freleigh]

*points to location*

What is this "sales tax" you speak of? :P

I hate you.

[roothorick]

*points to location*

What is this "sales tax" you speak of? :P

Fine then!

So take the "error in your favor" route.

"It says $3.98 for some reason. Must be a glitch. Oh well, it's only two cents less."

Make the illusion that it should've been $2/4 and they're getting a deal, however small, because the register screwed up.