Question 20I'm confused by this

Saved Help Save & Exit S The following partial information is taken from the comparative balance sheet of Levi Corporation: Shareholders' equity 12/31/2021 12/31/2020 Common stock, $5 par; 30 million shares authorized; 25 million shares issued and 21 million shares outstanding at 12/31/2021; and million shares issued and shares outstanding at 12/31/2020. $125 million $105 million Additional paid-in capital on common stock 530 million 402 million Retained earnings 207 million 167 million Treasury common stock, at cost, 4 million shares at 12/31/2021 and 2 million shares at 12/31/2020 (82 million) (60 million) Total shareholders' equity $780 million $614 million How many of Levi's common shares were outstanding on 12/31/2020