Dear Salty, when we are at a bar or restaurant and get the check, I always tip 20 percent on the pre-tax amount, while my wife always tips 20 percent on the post-tax amount. Is one more common than the other? Which is right?
Dear Salty, when we are at a bar or restaurant and get the check, I always tip 20 percent on the pre-tax amount, while my wife always tips 20 percent on the post-tax amount. Is one more common than the other? Which is right?