60 Percentage of Income 2020 40 2015 20 2010 0 20 40 60 80 100 Percentage of Households In 2010, of the households earned of the income in this economy. O 20 percent; 40 percent O 40 percent; 10 percent O 40 percent; 20 percent O 40 percent; 80 percent 80 percent: 60 percent