Problem: In most restuarants, waiters receive a large portion of their compensation through tips from customers. Generally, the size of the tip is decided by the customer. However, many restaurants require a 15% tip for parties of 8 or more.
Q1. why the practice of tipping has emerged as a major method of compensating the wait staff
Q2. why the customer typically decides on the amount of tip?
Q3. why restaurants require tips for large parties?