0J1 point In July of 2020, the United States unemployment rate was 10.2%: in August, it was 8.4%. Which of the following is true? 0 There is a 21.4% decrease in the United States unemployment rate from July to August, 2020. 0 There is a 21.4 percentage point decrease in the United States unemployment rate from July to August, 2020. 0 There was a 1.8 percentage point decrease in the United States unemployment rate from July to August. 2020. ' X. 0 There was a 1.8% decrease in the United States unemployment rate from July to August, 2020. 0 There was a 17.6 percentage point decrease in the United States unemployment rate from July to August, 2020