Simon Companys year-end balance sheets follow. At December 31 2017 2016 2015 Assets Cash $ 28,277 $ 31,770 $ 34,444 Accounts receivable, net 77,977 55,597 45,025 Merchandise inventory 103,044 73,468 47,952 Prepaid expenses 8,841 8,340 3,790 Plant assets, net 247,176 231,959 209,889 Total assets $ 465,315 $ 401,134 $ 341,100 Liabilities and Equity Accounts payable $ 117,022 $ 67,792 $ 45,475 Long-term notes payable secured by mortgages on plant assets 85,730 93,183 76,137 Common stock, $10 par value 162,500 162,500 162,500 Retained earnings 100,063 77,659 56,988 Total liabilities and equity $ 465,315 $ 401,134 $ 341,100 The companys income statements for the years ended December 31, 2017 and 2016, follow. For Year Ended December 31 2017 2016 Sales $ 604,910 $ 477,349 Cost of goods sold $ 368,995 $ 310,277 Other operating expenses 187,522 120,769 Interest expense 10,283 10,979 Income taxes 7,864 7,160 Total costs and expenses 574,664 449,185 Net income $ 30,246 $ 28,164 Earnings per share $ 1.86 $ 1.73 Calculate the companys long-term risk and capital structure positions at the end of 2017 and 2016 by computing the following ratios. (2) Debt-to-equity ratio.