A group of 15 Lincoln students are returning from Disneyland. They stop off at a restaurant outside of Anaheim. This restaurant has a capacity of 400 meals per day. It currently serves 375 meals per day. The daily fixed costs are $1,200 per day. The main meal is a hamburger that sells for $18; the unit variable cost is $10 per burger. The student leader of the bus trip offers to bring the students into the restaurant, if the