Crossroads Mall had 100,000 outstanding shares of common stock. On June 16, 2012, Crossroads repurchased 20,000 shares of its own stock at $30 per share. On July 23, 2012, Crossroads resold 10,000 shares at $28 per share. What net effect did the repurchase and the resell of common stock have on the accounting equation?

A. Increase in assets and decrease in stockholders' equity. B. Decrease in assets and increase in stockholders' equity. C. Increase in assets and increase in stockholders' equity. D. Decrease in assets and decrease in stockholders' equity.