I hope they don’t then insult their math intelligence by calculating various tip levels (often on the post tax amount) at the bottom of their receipts.
“I hope they don’t then insult their math intelligence by calculating various tip levels (often on the post tax amount) at the bottom of their receipts.”
Jersey Mike’s (fantastic subs) does that on their credit card reader, asking if you like to put the tip on your card and giving you the 10%, 15% and 20% amounts to click on.