Of the following options, which would you expect to have the highest option price?
a. A European 3-month put option on a stock whose market price is $90 where the strike price is $100. The standard deviation of the stock price over the past 5 years has been 15%.
b. A European 3-month put option on a stock whose market price is $110 where the strike price is $100. The standard deviation of the stock price over the past 5 years has been 15%.
c. A European 1-month put option on a stock whose market price is $90 where the strike price is $100. The standard deviation of the stock price over the past 5 years has been 15%. Of the following options, which would you expect to have the highest option price?