买入股票认沽期权,最大收益是()
A.行权价格-权利金
B.权利金+行权价格
C.权利金
D.行权价格
参考答案:A
— How much vinegar did you put in the soup?
— I'm sorry to say, ____. I forgot. [ ]
A. no
B. no one
C. nothing
D. none
什么是孤立均衡的相对商品价格?