A.3030 B.3045 C.3180 D.3120
A.與期貨指數(shù)點成正比 B.與期貨合約價值成正比 C.與股票組合的β系數(shù)成正比 D.與股票組合市值成反比
A.100 B.1000 C.10 D.10000