The Return on Investment (ROI) Ratio Measures

The return on investment (ROI) ratio measures:

A) The rate of return on average shareholders' equity.
B) Only earnings as a percent of sales.
C) The combined effect of both asset turnover and return on sales (ROS) .
D) Asset turnover and earnings as a percent of sales, correcting for the effects of differing depreciation methods.
E) Operating income less a charge for divisional investment (assets) .