Canterbury Company reported total stockholders' equity of $170,000 on its balance sheet dated December 31, 2021. During the year ended December 31, 2022, Canterbury reported net income of $20,000 and issued additional common stock for $40,000. It total stockholders' equity as of December 31, 2022 is $226,000, what was the amount of dividends declared during the year ended December 31, 2022?