A company that teaches self improve seminars is holding one of its seminars in Somerville. The company pays a flat fee of $72 to rent a facility in which to hold each session. Additional, for every attendee who registers, the company must spend $11 to purchase books and supplies. Each attendee will pay $35 for the seminar. Once a certain number of attendee register, the company will be breaking even. What will be the company's total expenses and revenues? How many attendees will that take?