Condensed Balance Sheets December 31, 2017, 2016, 2015 2017 2016 2015 $ 771 $ 991 $ 853 2.425 1,932 1,731 $3,196 $2.923$2,584 589842 735 1,5881.043919 Current assets Current liabilities Long-term liabilities Stockholders equity Total liabilities and stookholders equity 1,019 1.038 1,0191,038 $3.196$2,923 $2,584 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 Net income Average number of common shares outstanding $3,062 $2.925 308 322 227222 42.5 47.9 Other data Total dividends paid 62.0 5 53.5 Required: a. Calculste return on investment, based on net income and average total assets, for 2017 and 2016. (Do not round intermediate calculations. Round your answers 16 O Type here to search