I cant get past part e. Everything above is correct.

Presented here are summarized data from the balance sheets and income statements of Wiper, Inc WIPER, INC. Condensed Balance Sheets December 31, 2017, 2016, 2015 in millions) 2016 $ 805 $1,041 903 2.430 1937 11e $3,235 $2,978 $2,639 $ 594 S 847 749 1,088 2017 2015 Current assets Other assets Total assets Current liabilities Long-term liabilities Stockholders' equity Total liabilities and stockholders' equity 1,617 1.024 955 $3,235 $2,978 $2,639 WIPER, INC Selected Income Statement and Other Data For the year Ended December 31, 2017 and 2016 (in millions) 2017 2016 Income statement data Sales Operating income Interest expense Net income $3,067 $2,930 327 82 237 313 101 242 Other data 48.4 $ 67.0 54.0 43.0 Average number of common shares outstanding Total dividends paid Required a. Calculate return on investment, based on net income and average total assets, for 2017 and 2016. (Do not round intermediate calculations. Round your answers to 1 decimal place.) 2017 2016 Return on investment 781%; 8.4%