A cafe in Nice, France charges rude customers five times more for a cup of coffee than those who say hello and please.

"A coffee" will set you back €7, according to the sign, while "a coffee please" is a little more affordable, at €4.25.

If you want keep your expenses down, and stay friends with your local barista, however, the best option is "Hello, a coffee please," which will only cost you €1.40.

The manager says that although the pricing scheme has never been enforced, customer civility is up. Cheekiness is on the rise as well:

"Most of my customers are regulars and they just see the funny side and exaggerate their politeness," he said, adding "They started calling me 'your greatness' when they saw the sign."

(via eater)