The following table presents the calculation of basic and diluted earnings per common share for our Common and Class B common stock:


*Years Ended December 31,*	2012		2011		2010
Basic Earnings per Share:
Net income attributable to Watsco, Inc. shareholders	$	103,334	$	90,450	$	80,760
Less: distributed and undistributed earnings allocated to non-vested (restricted) common stock		17,656		6,045		4,775


Earnings allocated to Watsco, Inc. shareholders	$	85,678	$	84,405	$	75,985

Weighted-average Common and Class B common shares outstanding for basic earnings per share		31,680,187		30,678,206		30,467,212

Basic earnings per share for Common and Class B common stock	$	2.70	$	2.75	$	2.49

Allocation of earnings for Basic:
Common stock	$	78,359	$	76,574	$	68,856
Class B common stock		7,319		7,831		7,129

	$	85,678	$	84,405	$	75,985

Diluted Earnings per Share:
Net income attributable to Watsco, Inc. shareholders	$	103,334	$	90,450	$	80,760
Less: distributed and undistributed earnings allocated to non-vested (restricted) common stock		17,656		6,042		4,772

Earnings allocated to Watsco, Inc. shareholders	$	85,678	$	84,408	$	75,988

Weighted-average Common and Class B common shares outstanding for basic earnings per share		31,680,187		30,678,206		30,467,212
Effect of dilutive stock options		64,212		75,085		111,396

Weighted-average Common and Class B common shares outstanding for diluted earnings per share		31,744,399		30,753,291		30,578,608

Diluted earnings per share for Common and Class B common stock	$	2.70	$	2.74	$	2.49