Exercise 13-11 Profitability analysis LO P3 Simon Companys year-end balance sheets follow. At December 31 2015 2014 2013 Assets Cash $ 31,800 $ 35,625 $ 37,800 Accounts receivable, net 89,500 62,500 50,200 Merchandise Inventory 112,500 82,500 54,000 Prepaid expenses 10,700 9,375 5,000 Plant assets, net 278,500 255,000 230,500 Total assets $ 523,000 $ 445,000 $ 377,500 Liabilities and Equity Accounts payable $ 129,900 $ 75,250 $ 51,250 Long-term notes payable secured by mortgages on plant assets 98,500 101,500 83,500 Common stock, $10 par value 163,500 163,500 163,500 Retained earnings 131,100 104,750 79,250 Total liabilities and equity $ 523,000 $ 445,000 $ 377,500 The companys income statements for the years ended December 31, 2015 and 2014, follow. For Year Ended December 31 2015 2014 Sales $ 673,500 $ 532,000 Cost of goods sold $ 411,225 $ 345,500 Other operating expenses 209,550 134,980 Interest expense 12,100 13,300 Income taxes 9,525 8,845 Total costs and expenses 642,400 502,625 Net Income $ 31,100 $ 29,375 Earnings per share $ 1.90 $ 1.80 Additional information about the company follows. Common stock market price, December 31, 2015 $30.00 Common stock market price, December 31, 2014 28.00 Annual cash dividends per share in 2015 0.29 Annual cash dividends per share in 2014 0.24 To help evaluate the company's profitability, compute the following ratios for 2015 and 2014: (1) Return on common stockholders' equity.