one's keep, one's worth, cost of a meal, price of a meal
사람이 밥값을 해야지
You’ve got to earn your keep.
— 세 얼간이 (2009)
밥값은 해야지
— 택시 블루스 (1990)
밥값이나 좀 깎아 드리렴
At least give them a discount on the meal.
— 아멜리에 (2001)