[答案]
(1)销售利润率:150/3 000100%=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)/1000}=1.6129
(4)自有资金利润率:5%×3×1.6129=24.19%