题目内容：
Frank is an option speculator.He anticipates the Danish kroner to appreciate from its current level of $.19 to $.21.Currently, kroner call options are available with an exercise price of $.18 and a premium of $.02.Should Frank attempt to buy this option? If the future spot rate of the Danish kroner is indeed $.21, what is his profit or loss per unit?
A.no; $0.01.
B.yes; $0.01
C.yes; $0.01
D.yes; $0.03.
参考答案：