Computing and Interpreting Financial Statement Ratios

Following are selected ratios of Norfolk Southern.

Return on Assets $($ROA$)$ Component FY$4$ FY$3$

Profitability $($Net income$/$Sales$)66\mathrm{.}8\%70\mathrm{.}2\%$

Productivity $($Sales$/$Average assets$)0\mathrm{.}8550\mathrm{.}757$