Which of the Following Is a Positive Statement

Multiple Choice

Which of the following is a positive statement?

A) A 10 percent increase in income leads to a 4 percent increase in the consumption of beef.
B) My economics class should last for two terms because it is my favorite class.
C) Given their negative impact on productivity, the government should eliminate labor unions.
D) Taxes should be lower because then people get to keep more of what they earn.