A university is planning to hold an event at a local venue, which will charge a fixed rental fee of $510 for the event plus $12.90/guest for food. The university has budgeted $755 for administrative and marketing expenses. It plans to hire a band, which will cost another $345. Tickets are expected to sell for $36.30 per guest. Ignore taxes. What is the degree of operating leverage if 233 guests attend?