A school cafeteria can make pizza for approximately $0.40 per slice. The cost of the kitchen use and cafeteria staff runs about $200.00 per day. The Pizza Den nearby will deliver whole pizzas for $11.00 each. The cafeteria staffs cuts their pizza into eight (8) pieces and serves them in the usual cafeteria line. With no cooking duties, the staff can be reduced by half, for a fixed cost of $79.00 per day. Should the school cafeteria make or buy pizzas. Show your calculations (5mks) and to justify your answer, what decision can you make with the quantitative information you calculated?