looking it up is cheating imo, in whatever way. (And as for knowing it without cheking durng the quiz, maybe some people's belly are too big to see it? ;)
I don't think GPS should be called a device though. Maybe 'network' since 'system' is within the acronym? Or possibly 'receiver' if that's too broad? Don't know - just an idea.
Croatia PDV, czechia DPH, finland ALV, hungary AFA, italy IVA, etc The only country in the EU that also uses VAT is Ireland. In all of the other countries it is called something else ( and don't all have the exact same rules and percentages)