(3-a) Return on total assets. (3-6) Based on return on total assets, did Simon's operating efficiency improve or worsen in the Current Year versus 1 Year Ago? Complete this question by entering your answers in the tabs below. Required 3A Required 3B Return on total assets Return On Total Assets Choose Numerator: Choose Denominator: = Return On Total Assets Return on total assets 1 Current Year: 1 Year Ago: Required 3A Required 3B > (3-a) Return on total assets. (3-b) Based on return on total assets, did Simon's operating efficiency improve or worsen in the Current Year versus 1 Year Ago? Complete this question by entering your answers in the tabs below. Required 3A Required 3B Based on return on total assets, did Simon's operating efficiency improve or worsen in the Current Year versus 1 Year Ago? Return on total assets (1-b) Did profit margin improve or worsen in the Current Year versus 1 Year Ago? Complete this question by entering your answers in the tabs below. Required 1A Required 1B Did profit margin improve or worsen in the Current Year versus 1 Year Ago? Profit margin