To better understand how husbands and wives feel about their finances, money magazine conducted a national poll of 1010 married adults age 25 and older with household incomes of $50,000 or more (money magazine website, december 14, 2014). consider the follow- ing example set of responses to the question, "who is better at getting deals? "

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?