The Following Information Pertains to Mary Company If Invested Capital Is Defined as Total Assets, and the r

The following information pertains to Mary Company: $$\begin{array} { l r } \text { Total assets } & \$ 50,000 \\\text { Total current liabilities } & 30,000 \\\text { Total expenses } & 60,000 \\\text { Total liabilities } & 35,000 \\\text { Total revenues } & 80,000\end{array}$$ If invested capital is defined as total assets, and the imputed interest rate is 10%, the residual income is _____.

A) $4,000
B) $15,000
C) $20,000
D) $1,600