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


*Quarters Ended March 31,*	2018		2017
Basic Earnings per Share:
Net income attributable to Watsco, Inc. shareholders	$	34,219	$	26,181
Less: distributed and undistributed earnings allocated to non-vested restricted common stock		3,775		3,120

Earnings allocated to Watsco, Inc. shareholders	$	30,444	$	23,061

Weighted-average common shares outstanding – Basic		34,254,331		32,642,612
Basic earnings per share for Common and Class B common stock	$	0.89	$	0.71
Allocation of earnings for Basic:
Common stock	$	28,134	$	21,147
Class B common stock		2,310		1,914

	$	30,444	$	23,061

Diluted Earnings per Share:
Net income attributable to Watsco, Inc. shareholders	$	34,219	$	26,181
Less: distributed and undistributed earnings allocated to non-vested restricted common stock		3,775		3,120

Earnings allocated to Watsco, Inc. shareholders	$	30,444	$	23,061

Weighted-average common shares outstanding – Basic		34,254,331		32,642,612
Effect of dilutive stock options		65,779		37,194

Weighted-average common shares outstanding – Diluted		34,320,110		32,679,806

Diluted earnings per share for Common and Class B common stock	$	0.89	$	0.71