This is for a Mathematical Finance class where we do not use Excel to do our work so please show your work

(10 pts) Find the weights in a portfolio consisting of two kinds of stocks, and compute the the risk of of this portfolio, if the expected return on the portfolio is to be E(Kv) = 50%, given the following information on the returns on stock 1 and 2: Scenario Probability Return K Return K2 Wi (recession) 0.4 -10% 20% w2(stagnation) 0.2 0 20% W3(boom) 0.4 20% 10%