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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 , 400 $ 35, 000 $ 37, 800 Accounts receivable, net 87 , 100 61,500 50,000 Merchandise inventory 112 ,000 81, 600 53, 500 Prepaid expenses 10 , 350 9 , 250 4, 800 Plant assets, net 280,000 257,000 228, 000 Total assets $519 , 850 $ 444, 350 $ 374, 100 Liabilities and Equity Accounts payable $129 , 200 $ 73, 750 $ 50, 400 Long-term notes payable secured by mortgages on plant assets 97, 500 98 ,500 B1 , 200 Common stock, $10 par value 162,000 162,000 162,000 Retained earnings 131, 150 110 , 100 80, 500 Total liabilities and equity $519 , 850 $444, 350 $ 374, 100 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 $745, 000 $ 590, 000 Cost of goods sold $439, 550 $377, 600 Other operating expenses 230,950 135,700 Interest expense 11, 400 13,200 Income tax expense 9, 350 8, 825 Total costs and expenses 691, 250 535, 325 Net income 53, 750 $ 54, 675 Earnings per share S 3.32 $ 3.38(1-a) Profit margin ratio. (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 Profit margin ratio. Profit Margin Ratio Choose Numerator: / Choose Denominator: E Profit Margin Ratio Profit margin ratio Current Year: % 1 Year Ago: S %(1-a) Profit margin ratio. (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