The stockholders' equity section of Riverbed Corp's balance sheet at December 31 is presented here. RIVERBED CORP Balance Sheet (partial) Stockholders' equity Paid-in capital Preferred stock, cumulative, 10,700 shares authorized 6,400 shares issued and outstanding Common stock, no par. 770,000 shares authorized, 600.000 shares issued Total paid-in capital Retained earnings Total paid-in capital and retained earnings Less: Treasury stock (5,800 common shares) Total stockholders' equity $ 640,000 2,400,000 3,040,000 1,191,000 4,231,000 31,000 $4,200,000 From a review of the stockholders' equity section, answer the following questions. (a) How many shares of common stock are outstanding? Common stock outstanding shares (6) Assuming there is a stated value, what is the stated value of the common stock? The stated value of the common stock $ per share (c) What is the par value of the preferred stock? The par value of the preferred stock $ per share (d) If the annual dividend on preferred stock is $57,600, what is the dividend rate on preferred stock? The dividend rate % (e) If dividends of $74,800 were in arrears on preferred stock, what would be the balance reported for retained earnings? The Retained Earnings balance $