Determine the October 20xx ROI (Rounded to Two Decimal Places)

Multiple Choice

Determine the October 20xx ROI (rounded to two decimal places) for an investment center with the following information: $\begin{array}{|l|l|}\hline \text { Assets at September } 30,20 \mathrm{xx} & \$ 20,000,000 \\\hline \text { Assets at October } 31,20 \mathrm{xx} & 22,000,000 \\\hline \text { Assets at October } 15,20 \mathrm{xx} & 18,595,000 \\\hline & \\\hline \text { Operating income for the month ended October } 31,20 \mathrm{xx} & 5,000,000.0 \\\hline\end{array}$
Operating income for the month ended October 31, 20xx 5,000,000.0

A) 25.8 percent
B) 21.8 percent
C) 23.8 percent
D) 27.8 percent