4. (a) A company reported the following stockholder's equity on January 1 of the current year: Common stock, $10 par, 1,000,000 shares authorized, 400,000 shares issued Paid-in capital in excess of par, common Retained earnings Total stockholders' equity $4,000,000 1,200,000 1,600,000 $6,800,000 Prepare journal entries for the following selected transactions related to this company's stock during the current year: Mar 1 Purchased 10,000 shares of treasury stock for $17 per share. May5 Sold 4,000 shares of tresurury stock for $16 per share. Oct 12 Sold 2,000 shares of treasury stock for $18 per share. (b) A company is authorized to issue 750,000 shares of $5 par value common stock. Prepare journal entries to record the fu selected transactions that occurred during the company's first year of operations: Jan 10 Sold 102,000 shares of common stock for $8 cash per share. 15 Exchanged 10,000 shares of common stock for equipment with a market value of $80,000. Feb 1 Exchanged 500 shares of common stock for $3,000 of legal services incurred during the company's organization. Enter