用DA表示总资产的加权平均久期,VA表示总资产,R为市场利率,当市场利率变动AR时,资产的变化可表示为( )。
A、<img src="http://wximg.233.com/attached/image/20160724/20160724150235_3235.jpg" height="19" width="150" />
B、<img src="http://wximg.233.com/attached/image/20160724/20160724150241_7587.jpg" height="18" width="140" />
C、<img src="http://wximg.233.com/attached/image/20160724/20160724150248_3991.jpg" height="20" width="154" />
D、<img src="http://wximg.233.com/attached/image/20160724/20160724150254_4489.jpg" height="22" width="138" />
证券投资顾问业务