Chow Company Has a Number of Investment Centers to Track $$\begin{array} { l r } \text { Operating income } & \$ 6,000,000 \\\text { Sales } & 15,000,000 \\\text { As5et turnover } & 55 \%\end{array}$$

Chow Company has a number of investment centers to track on a day-to-day basis.The following represent key figures related to one of Chow's investment centers for May 20xx: $$\begin{array} { l r } \text { Operating income } & \$ 6,000,000 \\\text { Sales } & 15,000,000 \\\text { As5et turnover } & 55 \%\end{array}$$ What is the investment center's ROI for May 20xx (rounded to two decimal places) ?

A) 27.5 percent
B) 33 percent
C) 55 percent
D) 22 percent