which of the following is a positive statement? group of answer choices my economics class should last for two terms because it is my favorite class. a 10 percent increase in income leads to a 4 percent increase in the consumption of beef. the class average on this test should be more than 80 percent. taxes should be lower because then people get to keep more of what they earn, so they will work more. given their negative impact on productivity, the government should eliminate labor unions.