The following information was available for the year ended December 31, 2019: Earnings before interest and taxes (operating income) Interest expense Income tax expense Net income Total assets at year-end Total liabilities at year-end $ 90,000 20,000 25,000 45,000 300,000 160,000 Required: a. Calculate the debt ratio at December 31, 2019. (Round your answer to 1 decimal place.) b. Calculate the debt/equity ratio at December 31, 2019. (Round your answer to 2 decimal places.) c. Calculate the times interest earned for the year ended December 31, 2019. (Round your answer to 2 decimal places.) a. Debt ratio b. Debt/Equity ratio c. Times interest earned % times times