17. At December 31, 2021 and 2020, P Co. had 50,000 shares of common stock and 5,000 shares of 5%, $100 par value cumulative preferred stock outstanding. No dividends were declared on either the preferred or common stock in 2021 or 2020. Net income for 2021 was $500,000. For 2021, basic earnings per common share amounted to: A) $5.00. B) $9.50. C) $9.00 D) $10.00