Beachwood Manufacturing Inc's summarized financial data are shown as follows (amounts are in thousands): 2018 2019 2020 Net income $1,476 $2,316 $2,856 Depreciation expense 167 178 212 Interest expense 210 472 600 Income tax expense 471 734 907 Cash 69 162 319 Current liabilities 1 823 1,101 1.677 554 1,127 1,266 Current portion of bank loan payable Bank loan payable, long-term portion Shareholders' equity 2.216 4,508 5,064 5,965 7,841 10,013 The current liabilities include the current portion of bank loan payable. (a) Calculate the debt to equity, net debt as a percentage of total capitalization, and interest coverage ratios. (Round answers to 1 decimal place, e.g. 1.2 or 1.2%.) Net debt as a percentage of total capitalization Debt to equity ratio Interest coverage 2018 % % times 2019 % % times 2020 % % times