Landmark Company This company reported the following information in the stockholders' equity section of its December 31, 2019 balance sheet: 7% Cumulative, Non-participating Preferred Stock, $100 par, 500 shares authorized, issued, and outstanding, callable at par value $ 50,000 Common Stock, $12 par, 100,000 shares authorized 600,000 Paid-in Capital in Excess of Par--Common Stock 25,000 Retained Earnings 825,000 Refer to Landmark Company. What is the number of shares of common stock issued and outstanding? a. 5,000 b. 6,000 c. 50,000 d. 100,000