One of the strengths of Six Sigma program's has been its a. laser-like focus on worker satisfaction. b. clarity of process and the steps companies must take to adopt it. c. contribution to research in production quality. d. increase in customer loyalty.

The school cafeteria can make pizza for approximately $0.30 a slice. the cost of kitchen use and cafeteria staff runs about $200 per day. the pizza den nearby will deliver whole pizzas for $9.00 each. the cafeteria staff cuts the pizza into eight slices and serves them in the usual cafeteria line. with no cooking duties, the staff can be reduced by half, for a fixed cost of $75 per day. should the school cafeteria make or buy its pizzas?