Retail Sales and Wholesale Sales Are the Only Divisions of Terra

Multiple Choice

Retail Sales and Wholesale Sales are the only divisions of Terra Company.The following information was gathered for the two divisions for the current year: $\begin{array}{|l|lr|lr|}\hline & {\text { Retail Division }} & &{\text { Wholesale Division }} \\\hline \text { Operating income } & \$ & 2,500,000 & \$ & 6,000,000 \\\hline \text { Operating assets } & \$ & 16,000,000 & \$ & 36,000,000 \\\hline\end{array}$ The company has $1,200,000 in operating assets that are not assigned to either of the divisions and $500,000 in corporate expenses that are not reflected in the information above.Based on this information,what is the ROI for the company as a whole?

A) 17.7%
B) 16.9%
C) 15.0%
D) The answer cannot be determined using the information provided.