One customer came with her baby, received good service, and left the baby chair, food leftovers, and tray without leaving a tip at the fast food restaurant.

One customer came with her baby, received good service, and left the baby chair, food leftovers, and tray without leaving a tip at the fast food restaurant.

Most people take care of their tray in fast food restaurants, but some customers may not, regardless of their background or socioeconomic status.