$\text { Estes Company has assembled the following data for its divisions for the past year: }$

$\text { Estes Company has assembled the following data for its divisions for the past year: }$
$\begin{array}{l|r|r|}\hline & \text { Division A } & \text { Division B } \\\hline \text { Average Operating Assets } & \$ 500,000 & ? \\\hline \text { Sales } & ? & \$ 520,000 \\\hline \text { Operating Income } & \$ 100,000 & \$ 20,300 \\\hline \text { Turnover } & 1.25 & 4 \\\hline \text { Margin } & ? & 3.9 \% \\\hline \text { Minimum Required Rate of Return } & 14 \% & ? \\\hline \text { Residual Income } & ? & \$ 6,000 \\\hline\end{array}$
-What was Division A's residual income?

A) $20,000.
B) $30,000.
C) $35,000.
D) $45,000.