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Simon Company's year-end balance sheets follow. At December 31 Current Yr 1 Yr Ago 2 Yrs Ago Assets Cash $ 30,600 $ 35,250 $ 37,600 Accounts receivable, net 86,400 61,500 50,000 Merchandise inventory 111,000 81,600 52,500 Prepaid expenses 10,400 9,500 4,500 Plant assets, net 278,000 248,000 229,000 Total assets $516,400 $435,850 $ 373,600 Liabilities and Equity Accounts payable $128,800 $ 72,500 $ 50,400 Long-term notes payable secured by mortgages on plant assets 96,500 99,250 80,200 Common stock, $10 par value 161,000 161,000 161,000 Retained earnings 130,100 103,100 82,000 Total liabilities and equity $516,400 $435,850 $ 373,600 The company's income statements for the Current Year and 1 Year Ago, follow. For Year Ended December 31 Current Yr 1 Yr Ago Sales $775,000 $590,000 Cost of goods sold $465,000 $371,700 Other operating expenses 240,250 135,700 Interest expense 11,500 13,400 Income tax expense 9,350 8,700 Total costs and expenses 726,100 529,500 Net income $ 48,900 $ 60,500 Earnings per share $ 3.04 $ 3.76 For both the Current Year and 1 Year Ago, compute the following ratios: (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 Ag 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 Current Year: % 1 Year Ago: %