Compule four ratios that measure ablity to eam profits for Jarvis Decor inc, whose comparative income statement follows: (Click the icon to view the comparative income statement.) Additional data: (Click the icon to view the additional data.) Did the company's operating performance improve or deteriorate during 2020? Compute return on net sales (ROS), return on total assets (ROA), return on common shareholders' equily (ROE), and earnings per share (EPS) to measure the abiliy to aum profis for tants Oncor in Select the formula for each of the following component raties. Comparative income statement Additional data