Please i need the formulas too, thank you so much.

Chapter 11 Stock The following items were shown on the balance sheet of Martin Corporation on December 31, 20x1: $3,000,000 Stockholders' Equity Paid-In Capital Capital Stock Common stock, $5 par value, 750,000 shares authorized; shares issued and outstanding Additional paid-in capital In excess of par value Total paid-in capital Retained Earnings Total paid-in capital and retained earnings Less: Treasury stock (20,000 shares) Total stockholders' equity 180,000 3,180,000 500,000 3,680,000 280,000 $3,400.000 Instructions Complete the following statements and show your computations. (a) The number of shares of common stock issued was (b) The number of shares of common stock outstanding was (c) The total sales price of the common stock when issued was $ (d) How much did the treasury stock cost per share? $ (e) What was the average issue price of the common stock? $