A.追求較高的投資收益 B.分散投資風(fēng)險(xiǎn) C.增強(qiáng)投資的流動(dòng)性 D.以上均正確
A.0 B.15.79% C.15% D.無窮大
A.17.5% B.16% C.15% D.10%