A Sub-Unit of an Organization Is Evaluated on the Basis $\text {\underline{ROI } }$

Multiple Choice

A sub-unit of an organization is evaluated on the basis of its ROI.If this sub-unit's sales and expenses both increase by $30,000,how will the following measures be affected?
$\text {\underline{ROI } }$                $\text {\underline{Assert turnover } }$            $\text {\underline{ Profit margin} }$

A) increase increase increase
B) indeterminate increase decrease
C) no change increase decrease
D) no change decrease no change