The comparative condensed income statements of Marks Corporation are shown below. MARKS CORPORATION Comparative Condensed Income Statements For the Years Ended December 31 2017 2016 Net sales $620,000 $500,000 Cost of goods sold 450,000 400,000 Gross profit 170,000 100,000 Operating expenses 54,000 40,000 Net income $116,000 $60,000 Prepare a horizontal analysis of the income statement data for Marks Corporation using 2016 as a base. (Round percentages to 1 decimal place, e.g. 12.1%.) MARKS CORPORATION Condensed Income Statements For the Years Ended December 31 Increase or (Decrease) During 2016 2017 2016 Amount Percentage Net sales $620,000 $500,000 $ % Cost of goods sold 450,000 400,000 % Gross profit 170,000 100,000 % Operating expenses 54,000 40,000 % Net income $116,000 $60,000 $ % Prepare a vertical analysis of the income statement data for Marks Corporation in columnar form for both years. (Round percentages to 1 decimal place, e.g. 12.1%.) MARKS CORPORATION Condensed Income Statements For the Years Ended December 31 2017 2016 Amount Percentage Amount Percentage Net sales $620,000 % $500,000 % Cost of goods sold 450,000 % 400,000 % Gross profit 170,000 % 100,000 % Operating expenses 54,000 % 40,000 % Net income $116,000 % $60,000 %