Simon Company's year-end balance sheets follow. At December 31 Assets Cash Accounts receivable, net Merchandise inventory Prepaid expenses Plant assets, net Total assets Liabilities and Equity Accounts payable Current Year 1 Year Ago 2 Years Ago $ 31,800 89,500 112,500 10,700 278,500 $ 523,000 98,500 $ 129,900 Long-term notes payable Common stock, $10 par value Total liabilities and equity Retained earnings 163,500 131,100 $ 35,625 62,500 82,500 9,375 255,000 $ 445,000 $ 75,250 101,500 163,500 104,750 $ 523,000 $ 445,000 $ 37,800 50,200 54,000 5,000 230,500 $ 377,500 $ 51,250 83,500 163,500 79,250 $ 377,500 The company's income statements for the current year and 1 year ago, follow. For Year Ended December 31 Sales Cost of goods sold Other operating expenses Interest expense Income tax expense Total costs and expenses Net income Earnings per share Current Year 1 Year Ago $ 673,500 $ 532,000 $ 411,225 209,550 $ 345,500 134,980 13,300 8,845 642,400 $ 1.90 502,625 $ 29,375 $ 1.80 12,100 9,525 $ 31,100 For both the Current Year and 1 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? Complete this question by entering your answers in the tabs below. Required 3A Required 3B Compute return on total assets for the current year and one year ago. Current Year: 1 Year Ago: Numerator: Return On Total Assets Denominator: = Return on total assets = % % < Required 3A Required 3B > 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 Required 3A Required 3B > Improved Worsened