Part A
A put option and a call option with an exercise price of $80 and
three months to expiration sell for $1.45 and $4.40,
respectively.
If the risk-free rate is 4.6 percent per year, compounded
continuously, what is the current stock price?
Part B
A call option has an exercise price of $60 and matures in three
months. The current stock price is $64, and the risk-free rate is 5
percent per year, compounded continuously. What is the price...