9. Knight Corp. holds 20,000 shares of its own S10 par value common stock as treasury stock of $240,000 on January 1, 2019. At December 31, 2019 Knight sold all 20,000 shares for $380,000. The journal entry for the sale resulted in a credit to a. common stock of $200,000. b. retained earnings for $140,000 c. gain on sale of investments of S140,000. d. additional paid-in capital of $140.000