Express the following comparative income statements in common-size percents. Using the common-size percentages, which item is most responsible for the decline in net income? Express the following comparative income statements in common-size percents. (Round your percentage ans) decimal place.) Express the following comparative income statements in common-size percents. Using the common-size percentages, which item is most responsible for the decline in net income? Using the common-size peroentages, which item is most responsible for the decline in net income