Suppose you are attempting to value a 1-year maturity option on a stock with volatility (i.e., annualized standard deviation) of sigma 0.33. a. 1 period of 1 year. b. 4 sub periods, each 3 months. c. 12 sub periods, each 1 month. What would be the appropriate values for u and d if your binomial model is set up using: (Do not round intermediate calculations. Round your answers to 4 decimal places.)