可持续增长率=ROE*b/1-ROE*bb为提存率,b=留存收益增加额/净利润,留存收益增加额=净利润*(1-股利支付比率)ROE=净利润/权益总额=12672/73000=0.1736b=12672*0.7/12672=0.7可持续增长率=0.1736*0.7/1-0.1736*0.7=2.333