The lower bound for an American call optio
题型：单项选择题
问题：
The lower bound for an American call option is:
A．
| A. Max (0, S-X). |
B．
| B. Max [0, S-X/(1 +RFR)T] |
C．
| C. Max [0, X/(1 +RFR)T-S]. |
The lower bound for an American call option is:
A．
| A. Max (0, S-X). |
B．
| B. Max [0, S-X/(1 +RFR)T] |
C．
| C. Max [0, X/(1 +RFR)T-S]. |