Please answer in percentages to two decimal places. Example: 12.34%

2018 Net sales Other revenues $211,500 $175,500 5, 700 219,500 181,200 Total revenues Expenses Cost of goods sold Selling expenses General and administrative expenses Interest expense Income tax expense 125,300 101,100 19,100 17,100 10,700 9,700 20,500 16,500 178,600 147,400 Total expenses Net income AssetS Current assets 40,900 33,800 Cash Marketable securities s 5,300 7,700 2,100 36,400 30,700 101,500 94,400 Accounts receivable Inventories Prepaid expenses 92003,200 Total current assets 149,500 138,100 106,700 106,700 Plant and equipment (net) Intangibles Total assets Liabilities and Stockholders' Equity Liabilities 20,700 $276,900 $244,800 Current liabilities Accounts payable Other 38,700 55,000 15, 90016,000 71,000 54,600 Total current 1iabilities Bonds payable Total liabilities 64 70065,700 119,300136,700 Stockholders' equity 113,700 113,700 Common stock (48,000 shares) Retained earnings 5,600 157,600 108 100 $276,900 $244,800 43,900 Total stockholders equity total liabilities and stockholders equity Required Calculate the following ratios for 2018 and 2019. Since 2017 numbers are not presented do not use averages when calculating the ratios for 2018. Instead, use the number presented on the 2018 balance sheet a. Net margin. (Round your answers to 2 decimal places.) b. Return on investment.(Round your answers to 2 decimal places.) c. Return on equity. (Round your answers to 2 decimal places.)