Internazionale, a league football team plays their weekly games in Mezza stadium just outside Milano. the stadium can hold up to 70000 people and tickets sell for $25 each. the owner estimates that the team's fixed expenses per game are 240,000 and the variable expense per ticket sold is 13.

what is the safety margin for the owner of the team if the team plays a mid-season game and the team owner expects the stadium to be 80% full?