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? Income Statement Reason for Decline in Net Income Express the following comparative income statements in common-size percents. (Round your percentage answers to 1 decimal place.) GOMEZ CORPORATION Comparative Income Statements For Years Ended December 31 Current Year Prior Year $ % $ % Sales $ 800,000 $635,000 Cost of goods sold 562,700 282,200 Gross profit 237,300 352,800 Operating expenses 129,200 251,600 Net income $ 108,100 $101,200