1. Price a 6 month call option with a strike price of $40.00, assuming an annual standard deviation of 30% on returns, a risk-free rate of 5%, and a current stock price of $41.25. Price the associated put using put-call parity. Reprice both options after changing the risk-free rate to 6%.
2. Based on the information below, what is the expected rate of return and standard deviation (using EXCEL, and SHOW WORK please):
Common Stock B
Probability Return
0.2 25%
0.3 6%
0.3 14%
0.2 22%