Showing some of the workings would be helpful as well, thanks in advance.

Compare Income Statements and Balance Sheets of Competitors a. Following are selected income statement data from two European grocery chain companies: Tesco PLC (UK) and Ahold (the Netherlands). Prepare a common-size income statement. To do this, express each income statement amount as a percent of sales. Note: Round percentage to one decimal point (for example, round 18.566% to 18.6%). Income Statements Tesco Carrefour Group For Fiscal Year Ended February 24, 2019 December 31, 2018 (E millions) ( millions) Sales 63,911 96 77,917 96 Cost of goods sold 59,767 60,850 Gross profit 4,144 17,067 Total expenses 2,824 17,411 Net income 1,320 (344) 96 96 96 96 96 96 96 96 b. Following are selected balance sheet data from two European grocery chain companies: Tesco PLC (UK) and Ahold (the Netherlands). Prepare a common-size balance sheet. To do this, express each balance sheet amount as a percent of total assets. Note: Round percentage to one decimal point (for example, round 18.566% to 18.6%). Tesco Carrefour Group February 24, 2019 December 31, 2018 Balance Sheet ( millions) ( millions) Current assets 12,668 96 18,670 96 Long-term assets 36,379 96 28,708 96 Total assets 49,047 96 47,378 Current liabilities 20,680 96 23,162 Long-term liabilities 13,533 96 12.930 96 Total liabilities 34,213 36,092 96 Stockholders' equity 14,834 96 11,286 Total liabilities and equity 49,047 96 47,378 96 96 96 96 96