With no explanation, chose the best option from "A" or "B". Ted orders a large amount of salad from a restaurant, his waiter was very good, and he receives a bill from the waiter. Ted wants to add a tip to the bill for the waiter.

A: Ted adds a 20% tip for his appreciation of the waiter.
B: Ted adds a 2% tip and waits for his debit card back.
A.