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


*Quarters Ended March 31,*	2013		2012
Basic Earnings per Share:
Net income attributable to Watsco, Inc. shareholders	$	13,385	$	8,466
Less: distributed and undistributed earnings allocated to non-vested (restricted) common stock		937		1,408

Earnings allocated to Watsco, Inc. shareholders	$	12,448	$	7,058

Weighted-average Common and Class B common shares outstanding for basic earnings per share		32,157,729		30,756,626

Basic earnings per share for Common and Class B common stock	$	0.39	$	0.23

Allocation of earnings for Basic:
Common stock	$	11,401	$	6,405
Class B common stock		1,047		653

	$	12,448	$	7,058

Diluted Earnings per Share:
Net income attributable to Watsco, Inc. shareholders	$	13,385	$	8,466
Less: distributed and undistributed earnings allocated to non-vested (restricted) common stock		937		1,408

Earnings allocated to Watsco, Inc. shareholders	$	12,448	$	7,058

Weighted-average Common and Class B common shares outstanding for basic earnings per share		32,157,729		30,756,626
Effect of dilutive stock options		55,711		77,842

Weighted-average Common and Class B common shares outstanding for diluted earnings per share		32,213,440		30,834,468

Diluted earnings per share for Common and Class B common stock	$	0.39	$	0.23