A non-dividend-paying stock is currently trading at $100. The volatility of the stock is 8% per annum, the expected return of the stock is 12% per year, and the risk-free rate is 7% per annum. In a binomial tree model with two-month time steps, what is the risk- neutral probability that stock goes down in two month's time? O 0.38 0.35 0.33 0.42