Following are financial data for Syke and Under Shield. $ millions Net income Net sales. Total assets Current Year Syke $ 3,492 30, 151 19,994 1 Year prior $ 3,086 28,880 20,449 Under Shield Current Year $ 307 5,818 4,488 1 Year prior $ 339 5,847 4, 295 1. Compute return on total assets for the current year for (a) Syke and (b) Under Shield. 2. Compute both profit margin and total asset turnover for the current year for (a) Syke and (b) Under Shield. 3. Which company more efficiently used its assets in the current year?