You are given the following information. An asset which pays a constant dividend of 10 and an expected return of 10%, has a price today of 110. The price next period is forecast to be 122 with probability π and 100 with probability 1-π. What is π if a rational bubble exists. a). 1/3 b). *1/2 c). 2/3 d). 3/4 e). 4/5