$$\text { Reference: 12-09 }$$ The Northern Division of Gordon Company Reported the Following Data

$$\text { Reference: 12-09 }$$ The Northern Division of Gordon Company reported the following data for last year: $$\begin{array} { | l | l | } \hline \text { Sales } & \$ 900,000 \\\hline \text { Stockholders' equity } & \$ 320,000 \\\hline \text { Operating expenses } & \$ 700,000 \\\hline \text { Average operating assets } & \$ 500,000 \\\hline \text { Interest expense } & \$ 50,000 \\\hline \text { Tax expense } & \$ 60,000 \\\hline \text { Minimum required rate of return } & 15 \% \\\hline\end{array}$$
-Howe Company increased its ROI from 20% to 25%.. By how much was inventory reduced?

A) $40,000.
B) $10,000.
C) $8,000.
D) it is impossible to determine from the data given.