The obverse legend, like other French coins, gives the kingâs title as Francorum Rex ( King of the Franks  in Latin) and provides another reason to call the coin a franc. Its value was set as one livre tournois (a money of account).
Favor has a no-tipping policy from company to restauraunt, so those waitstaff that take your order pay out the kitchen (they have to pay out a certain percentage of their total sales) for you to not tip. They pay the kitchen to make these orders and make no money, unless you tip out of pocket.
Anyone who's ever ordered pizza or other food for delivery has wondered how much to tip the delivery person. While a tip is technically not obligatory, not leaving a tip for the delivery person is rude. So, if you don't want to leave a tip, order the food for pickup instead. Delivery Fees