Benedict Company Compiled the Following Financial Information as of December

Benedict Company compiled the following financial information as of December 31, 2014: $$\begin{array} { l r } \text { Service revenue } & \$ 560,000 \\\text { Common stock } & 120,000 \\\text { Equipment } & 160,000 \\\text { Operating expenses } & 500,000 \\\text { Cash } & 140,000 \\\text { Dividends } & 40,000 \\\text { Supplies } & 20,000 \\\text { Accounts payable } & 80,000 \\\text { Accounts receivable } & 60,000 \\\text { Retained earnings, } 1 / 1 / 14300,000\end{array}$$ Benedict's stockholders' equity on December 31, 2014 is

A) $420,000.
B) $440,000.
C) $320,000.
D) $480,000.