Gratuity

Employees have on occasion been guilty of doctoring receipts to say offensive things. There was the Hooters receipt that referred to two Korean immigrant customers as "Chinx" (they filed suit), the Maryland RadioShack employee who called a customer an "ugly itch" on her receipt, from "ghettohood, usa." But ...

Tipping has become almost a science these days. According to one study, informing customers of the exact dollar value of 15 percent and 20 percent of their bill actually encourages their generosity. According to another, people tip more if their waitresses stand closer, while another study found that squatting ...