Почему чаевые это плохо Адам портит все

You have to tip. But Adam is here to tell you why you shouldn’t have to. For more information on the truth about tipping, read: •Surowiecki, James. “Check Please“ The New Yorker, September 5, 2005 •Lynn, M. (2000). The relationship between tipping and service quality. The Social Science Journal, 37, 131-135. See more LIKE us on: FOLLOW us on: FOLLOW us on: http://