AK Steel Holding Corporation is a fully integrated producer of steel. It produces cold-rolled and hot-rolled steel products as well as specialty stainless and electrical steels that are sold to the domestic automotive, appliance, industrial machinery and equipment, and construction markets Comparative debt ratios for AK Steel are shown in the following table. AK Steel Holding Corporation 0.42 2011 2012 2013 2014 Long-term debt-to-assets ratio 0.15 0.36 0.50 Long-term debt-to-tangible-assets ratio 0.15 0.37 0.42 0.51 Interest coverage ratio (4.35) (1.41) 1.05 0.82 Cash flow coverage ratio (2.80) (2.12) 0.14 (1.23) Operating cash flow to total liabilities (0.05) (0.07) (0.03) (0.08) Required: 1. Does AK Steel appear to be able to make its interest payments? How can you tell? 2. Does AK Steel rely heavily on debt to finance asset purchases? Has the company's reliance on debt changed significantly over the past several years? 3. Does AK Steel have significant amounts of intangible assets? How can you tell