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EARNINGS PER SHARE
 12 Months Ended
Dec. 31, 2016
EARNINGS (LOSS) PER SHARE [Abstract]  
EARNINGS PER SHARE
15
EARNINGS  PER SHARE
 
Basic and diluted earnings per share is calculated as follows:
 
 
 
Year Ended December 31,
 
 
 
2014
 
2015
 
2016
 
 
 
RMB
 
RMB
 
RMB
 
Numerator:
 
 
 
 
 
 
 
 
 
 
Net income attributable to Class A and Class B ordinary shareholders
 
 
148,320
 
 
178,760
 
 
241,854
 
Less:
 
 
 
 
 
 
 
 
 
 
Earnings allocated to participating Series A convertible redeemable preferred shares
 
 
(5,648)
 
 
—
 
 
—
 
Earnings allocated to participating Series B convertible redeemable preferred shares
 
 
(5,745)
 
 
—
 
 
—
 
Earnings allocated to participating Series C convertible redeemable preferred shares
 
 
(8,566)
 
 
—
 
 
—
 
Net income for basic and diluted earnings per share
 
 
128,361
 
 
178,760
 
 
241,854
 
Denominator:
 
 
 
 
 
 
 
 
 
 
Denominator for basic earnings per share:
 
 
 
 
 
 
 
 
 
 
Weighted average number of Class A and Class B ordinary shares outstanding
 
 
41,223,389
 
 
53,767,810
 
 
55,540,670
 
Dilutive effect of outstanding share options
 
 
6,546,743
 
 
4,983,046
 
 
3,464,591
 
Denominator for diluted earnings per share
 
 
47,770,132
 
 
58,750,856
 
 
59,005,261
 
Basic earnings per Class A and Class B ordinary share
 
 
3.11
 
 
3.32
 
 
4.35
 
Diluted earnings per Class A and Class B ordinary share
 
 
2.69
 
 
3.04
 
 
4.10
 
 
The Company uses the two-class method to calculate basic and diluted earnings per Class A and Class B ordinary share. Under the two-class method, when calculating the basic and dilutive earnings per Class A and Class B ordinary share, net income attributable to Class A and Class B ordinary shareholders is adjusted to reflect the net income which is allocated to preferred shares.