Which of these activities will most likely impose an external cost? an athlete works out at a gym. a young mother pushes her baby in a stroller. a secretary smokes a cigarette in a crowded break room. a construction worker eats a hotdog during his lunch break?

Respuesta :

Answer is: a secretary smokes a cigarette in a crowded break room.
External cost Is when consuming a good or servise imposes a cost to a third party. In this case, smoking affects other people in break room, causing pollution and health related problems.