33. Compute and Interpret Liquidity and Solvency Ratios Selected balance sheet and income statement information from Siemens, AG, for 2015 through 2017 follows ( millions). a. Compute the current ratio for each year and discuss any trend in liquidity. Also compute the operating cash flow to current liabilities (OCFCL) ratio for each year. (In 2014, current liabilities totaled 36,598 million.) Do you believe the company is sufficiently liquid? Explain. What additional information about the accounting numbers comprising this ratio might be useful in helping you assess liquidity? Explain. b. Compute times interest earned and the debt-to-equity ratio for each year and discuss any trends for each. c. What is your overall assessment of the company's liquidity and solvency from the analyses in a and b ? Explain