Exercise $10-8($Algo$)$ Computing and Interpreting Return on Investment $($ROI$)[$LO$10-1]$

Selected operating data for two divisions of Outback Brewing, Ltd$.,$ of Australia are given below:

Required:

Compute the rate of return for each division using the return on investment $($ROI$)$ formula stated in terms of margin and turnover.

Which divisional manager seems to be doing the better job?