下列各项，具有水火既济关系的是
A．心与肾 B．心与肺 C．心与脾 D．心与肝
参考答案：A
A firm has a return on equity (ROE) of 15% and a dividend payout rate of 80%. If last year’s dividend was $0.80 and the required return on equity is 10%, what is the firm’s estimated dividend growth rate and what is the current stock price Dividend growth rateStock price（） ①A. 12.00% $ 11.77②B. 3.00% $ 9.96③C. 3.00% $ 11.77
A．①
B．②
C．③
“向上抛一石子必然下落”属于( )。
A．必然事件
B．随机事件
C．不可能事件
D．可疑事件
