Nothing is stopping you from having the computer back-calculate the tax and display it on the receipt. I seem to recall the ones I got on my last European trip

Nothing is stopping you from having the computer back-calculate the tax and display it on the receipt. I seem to recall the ones I got on my last European trip showed the VAT as a separate line item despite the price tag including the VAT. I mean, isn't that the whole point of having an electronic POS.