单项选择题
A.15% B.16.18% C.17.5% D.15.26%
A.3.75% B.5% C.20% D.10%
A.特定风险 B.市场风险 C.非市场风险 D.非系统风险
A.4121.6 B.4506.1 C.4320 D.2040
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