Identify the method for calculating profitability that each manager selected and an advantage$($strength$)$ of the$$ model$($s$)$ selected.

Division

Method selected

Advantage of Method$($s$)$ Selected

Ritter

RI based on net book value of assets

Takes size into consideration and allows for the comparison of units of different size

Erik

RI based on net book value of assets

Takes size into consideration and allows for the comparison of units of different size