[答案]
(1)销售利润率=150/3 000=5%
(2)总资产周转率=3 000/1 000=3次
(3)权益乘数=1/(1-50+110+20+200/1 000)=1.6129
(4)自有资金利润率=5%×3×1.6129=24.19%