Reference: 12-01
the Following Information Is Available on Company A

Reference: 12-01
The following information is available on Company A: $$\begin{array} { | l | l | } \hline \text { Sales } & \$ 900,000 \\\hline \text { Net operating income } & 36,000 \\\hline \text { Stockholders' equity } & 100,000 \\\hline \text { Average operating assets } & 180,000 \\\hline \text { Minimum required rate of return } & 15 \% \\\hline\end{array}$$
-A company had the following results last year: 28%; and margin, 8%. The average operating assets last year were?

A) $2,500,000.
B) $2,450,000.
C) $200,000.
D) $540,000.