El-32. Applying the Accounting Equation and Calculating Return on Equity and Debi-to-Equity Ratio At the end of 2017, Alphabet, Inc., reported stockholders' equity of $152,502 million and total assets of $197,295 million. Its balance in stockholders' equity at the end of 2016 was $139.036 million. Net income in 2017 was $12.662 million. a. Calculate Alphabet, Inc., return on equity ratio for 2017, Calculate its debt-to-equity ratio as of December 31, 2017. (Hint: Apply the accounting equa- tion to determine total liabilities)