(11 points) An investor buys a put and a call on a stock. Currently the stock is trading at $50 and the volatility of stock is 25%. The strike price of the both the put and call is $50. The options expire in 3 months and the risk free rate is 1%.

N(0.0825)= 0.532875 N(-0.0425)= 0.48305 N(-0.0825)= 0.467125 N(0.0425)= 0.51695 N(-0.0175)= 0.493019 N(-0.1425)= 0.443343 N(0.0175)= 0.506981 N(0.1425)= 0.556657 N(0.1825)= 0.572405 N(0.0575)= 0.522927 N(0.1825)= 0.427595 N(-0.0575)= 0.477073 N(0.3963)= 0.654045 N(0.2713) 0.606907 N(-0.3963)= 0.345955 N(-0.2713)= 0.393093 N(0.2963)= 0.616486 N(0.1713) 0.567993 N(-0.2963)= 0.383514 N(-0.1713)= 0.432007 N(0.4963)= 0.690147 N(0.3713) 0.64478 N(-0.4963)= 0.309853 N(-0.3713)= 0.35522