Which of the following dining hints is not correct?
a. Leave your napkin on your chair if you leave the table during the meal.
b. The person who issues an invitation is expected to pay for the meal.
c. Place your folded napkin on the table at the end of the meal.
d. The usual tip for service is 15-20 percent of the food and bar bill.
e. Keep your elbows off the table while eating.
Answer: d. The usual tip for service is 15-20 percent of the food and bar bill