Bristol Car Service offers airport service in a mid-size city. Bristol charges $50 per trip to or from the airport. The variable cost for a trip totals $12, for fuel, driver and so on The monthly fxed cost for Bristol Rainbow Tours is $2,736 Required: a. How many trips must Bristol sell every month to break even tripa b. Bristolts owner believes that 90 trips is a reasonable forecast of the average monthly demand What is the margin of safety in terms of the number of airport trips? trips References eBook &Resources