Compute roa and adjusted roa csx corporation reported the following in its tax footnote to its 2016 financial statements. use this information to answer the requirements. $ millions 2016 2015 2014 net income $1,780 $2,034 $1,993 interest expense, net 596 561 562 average total assets 35,080 34,046 32,418 compute (a) return on assets and (b) the adjusted return on assets for each of the three years. assume a statutory tax rate of 37%. round answers to one decimal place (ex: 0.2345 = 23.5%).