参考答案:
一、(1)①所有者权益收益率=500/(3500 4000)×0.5 =13.33%
②总资产净利率=500/(8000 10000)×0.5 =5.556%
③主营业务净利率=500/20000=2.5%
④总资产周转率=20000/(8000 10000)×0.5=2.222
⑤权益乘数=(8000 10000)×0.5/(3500 4000)×0.5 =2.4
(2)所有者权益收益率=主营业务净利率×总资产周转率×权益乘数=2.5%×2.222×2.4=13.33%
二、(1)目前...
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