Assume an Investor Company Is Using the Equity Method to Record

Assume an investor company is using the equity method to record their investment in a wholly-owned subsidiary.What would be the effect on the ROA and Net profit margin ratios after consolidation? In the consolidated statements the:
$$\begin{array} { | c | c | c | } \hline & \begin{array} { c } \text { ROA } \\\text { would be: }\end{array} & \begin{array} { c } \text { Net profit margin } \\\text { would be: }\end{array} \\\hline \text { a. } & \text { smaller } & \text { smaller } \\\hline \text { b. } & \text { smaller } & \text { no change } \\\hline \text { c. } & \text { no change } & \text { smaller } \\\hline \text { d. } & \text { no change } & \text { no change } \\\hline\end{array}$$