Table 71
​ -Refer to Table 7

Table 7.1
​
$$\begin{array} { l r } \text { Total Revenue } & \$ 100,000 \\\hline \text { Assistant's sal ary } & \$ 20,000 \\\text { Material \& equipment } & \$ 15,000 \\\text { Forgone salary } & \$ 30,000 \\\text { Forgone interest } & \$ 1,000 \\\text { Forgone building rental } & \$ 10,000\end{array}$$
-Refer to Table 7.1,which shows revenue and cost information for Sally's small business.Sally owns a small business that she operates in a building she owns.Given the information in the table below,Sally's economic profit is equal to _____

A) $80,000.
B) $50,000.
C) $65,000.
D) $35,000.
E) $24,000.