The college food services prep unit makes flatbread pizzas for a cost of $.50 a serving. It costs the Prep Services $210.00 a day for kitchen use and prep staff. The Italian sandwich shop in the area will deliver flatbreads for $10.00 each. The food prep staff cuts the flatbread into 6 servings. Eliminating the need for cooking reduces prep costs to $105.00 per day. At what level of demand should the food services department make flatbreads?