Use the incomplete stockholders' equity section of XZ Company's balance sheet as of December 31. 2012. to answer the following question. Common stock. $7 par. 100,000 shares authorized $700.000 Additional paid-in capital-common 160.000 Retained earnings Treasury stock (3,000 shares at cost) (16.000) Total stockholders' equity 974,000 How many shares of common stock are outstanding? Select one: O a, 78,000 b. 97.000 O c. 100.000 O d. 68,000