The liner rates are subject to surcharges or adjustment fact

The liner rates are subject to surcharges or adjustment factors such as currency

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设有两种证券A和B。某投资者将一笔资金中的30%购买了证券A,70%的资金购买了证券B,到期时,证券A的收益率为5%,证

设有两种证券A和B。某投资者将一笔资金中的30%购买了证券A,70%的资金购买了证券B,到期时,证券A的收益率为5%,证券8的收益率为10%,则该证券组合P的收

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