还没学到eps这个知识点，本题计算不会做，请问老师能稍微解释一下么，谢谢
问题如下图：
选项：
A. 
B. 
C. 
解释：
NO.PZ2018062004000065 问题如下 The net income of Company A is $20,000 in 2016 anthe company pai$1,500 cash vinto common shareholrs an$2,000 to preferreshareholrs. Common stocks were 20,000 shares first. On 1st July , the company issue1,000 new shares. The Basic EPS is: A.0.75 B.0.93 C.0.87 C is correct. 20000+1000*（1/2）=20500； (20,000-2,000)/2,0500=0.8780 RT
NO.PZ2018062004000065 普通股股数是加权平均 但为什么是乘以1/2
为什么NI不用减去1500的cash v？
