NO.PZ2020021203000052
问题如下：
Suppose a European call option to buy a share for USD 50 in nine months costs USD 6. Under what circumstances will the holder of the option make a profit? Under what circumstances will the option be exercised?
选项：
解释：
The option will be exercised if the share price on the expiration date is greater than USD 50. The holder of the option will make a profit if the share price at expiry is greater than USD 56 and present value discounting is ignored.
请教一下为啥是价格到50就行权？这时候payoff不是还是亏钱的吗？
