Parsons, Inc. is a publicly owned company. The following information is excerpted from a recent balance sheet. Dollar amounts (except for per-share amounts) are stated in thousands. Stockholders' equity: Convertible $17.20 preferred stock, $250 par value, 1,000,000 shares authorized; 345,000 shares issued and outstanding Common stock, par value $0.50; 25,000,000 shares authorized Additional paid-in capital Retained earnings Total stockholders' equity $ 86,250 6,819 87,260 57,263 $ 237,592 Required: From this information, answer the following questions.
a. How many shares of common stock have been issued?