A.2.90% B.10% C.20% D.24.50%
A.小麥農(nóng)主出售小麥的期貨合同 B.小麥農(nóng)主購入小麥的期貨合同 C.面包廠商購入小麥的期貨合同 D.面包廠商出售小麥的期貨合同
A.6% B.6.90% C.16% D.16.90%