Indicate whether each of the following questions is normative or positive.

a. Should your city build levees strong enough to protect the city from Category Five hurricanes?

b. How did Hurricane Katrina affect housing prices in New Orleans and Baton Rouge?

c. Who should pay for a new skate park?

d. Should a school district increase teachers’ salaries by 20 percent?

e. Would an increase in teachers’ salaries improve the average quality of teachers?