A.35% B.49% C.51% D.70%
A.負(fù)值 B.0.75 C.0.82 D.1.00
A.市場(chǎng)收益率 B.零收益率 C.負(fù)收益率 D.無(wú)風(fēng)險(xiǎn)收益率