The stock is selling at $ 40, a 3-month pu
题型：单项选择题
问题：
The stock is selling at $ 40, a 3-month put at $ 50 is selling for $11, a 3-month call at $ 50 is selling for $1, and the risk-free rate is 6 percent. How much, if anything, can be made on an arbitrage
A．
| A. $ 0 (no arbitrage). |
B．
| B. $ 0.28. |
C．
| C. $ 0.72. |