Sheridan Medical manufactures hospital beds and other institutional furniture. The company's comparative balance sheet and income statement for 2019 and 2020 follow. Liabilities and Stockholders' Equity Sheridan Medical Comparative Income Statement and Statement of Retained Earnings For the Year Dividends paid Calculate the following leverage ratios for 2020 . (Round all answers to 2 decimal places, e.g. 2.55% or 2.55.) a. Debtratio % b. Debt-to-equity ratio c. Times interest earned ratio times