12.Longing a straddle corresponds to simultaneously buying both a put option and a call option for the underlying security with the same strike price and the same expiration date. Thus, the buyer of a straddle on a stock is most likely to benefit (a) if the position expires worthless. (b) under all conditions because the straddle is guaranteed a risk-free rate of return. (c) if the volatility of the underlying assets price decreases.(d)if the volatility of the underlying assets price increases.