Kequired intormation [The following information applies to the questions displayed below.] Simon Company's year-end balance sheets follow. The company's income statements for the current year and 1 year ago, follow. For both the Current Year and I Year Ago, compute the following ratios: a) Compute return on total assets for the current year and one year ago. b) Based on return on total assets, did Simon's operating efficiency improve or worsen in the Current Year versus 1 Year Ago