A.$2468.75 B.$8078.13 C.$7687.48 D.$32312.52
A.1份標普期貨合約 B.2份標普期貨合同 C.3份標普期貨合同 D.4份標普期貨合約
A.+0.10 B.-0.10 C.+0.05 D.-0.05