16. assume that the expect return for housing bank stock in 2022 15% with probability 30%, in 2023 -8% with probability 15% , and in 2024 25% with probability 45% measure the following: (c1) 1- the expected return for all years of housing bank stock? (2 points) 2- the risk of stock for housing bank? (3 points) (Non-anonymous question 0 ) * (5 Points)