The volatility of an underlying stock has been 30% per year last year. Suppose you believe the volatility of the underlying stock will be 20% per year from now until the expiration date, and all other investors believe the volatility of the underlying stock is 10% per year. Based on this information, what will you do? 1) Long Protective Put 2) Short Protective Put 3) Long Straddle 4) Short Straddle 5) Long Covered Call.