Selected comparative statement data for Bramble Products Company are presented below. All balance sheet data are as of December 31. 2020 2019 Net sales $851,250 $724,000 Cost of goods sold 499,000 447,000 Interest expense 7,300 5,400 Net income 64,695 45,000 Accounts receivable 120,000 104,000 Inventory 93,000 78,000 Total assets 605,000 530,000 Total common stockholders' equity 435,000 330,000 Compute the following ratios for 2020: (Round answers to 1 decimal place, e.g. 52.7.) (a) Profit margin. (b) Asset turnover. (c) Return on assets. (d) % times % Return on common stockholders' equity. %