Which of the following would likely lead to the greatest improvement in health status of the population in the united states? a. higher per capita incomes. b. more spending on public health, such as improved water supply and sanitation. c. more medical care spending overall. d. improved lifestyles, including reductions in the use of tobacco, alcohol, and drugs. e. more rural hospitals.

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?