Compute profit margin ratio for the current year and one year ago. Compute return on total assets for the current year and one year ago. Return On Total Assets Simon Company's year-end balance sheets follow. Compute total asset turnover for the current year and one year ago. The company's income statements for the current year and 1 year ago, follow. For both the Current Year and 1 Year Ago, compute the following ratios: (1-a) Profit margin ratio. (1-b) Did profit margin improve or worsen in the Current Year versus 1 Year Ago? (2) Total asset turnover. (3-a) Return on total assets. (3-b) Based on return on total assets, did Simon's operating efficiency improve worsen in the Current Year versus 1 Year Ago