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 Cost of goods sold Gross profit $ 780,000 $640,000 562,700 288,800 217,300 351,200 Operating expenses 128,000 239,600 Net income $ 89,300 $ 111,600