Elston Company compiled the following financial information as of December 31, 2014:Service revenue$700,000Common stock150,000Equipment200,000Operating expenses625,000Cash175,000Dividends50,000Supplies25,000Accounts payable100,000Accounts receivable75,000Retained earnings, 1/1/14375,000Elston's stockholders' equity on December 31, 2014 isA)$525,000.B)$550,000.C)$400,000.D)$600,000.