Given:

X=6

Y=9

You invest your money on a portfolio ABC that consists of stock A, stock B, and stock C. Each value of your investment given on Table 2. You have information that the return of each stock | under three circumstances is given in Table 1. Table 1. Return of Each Stocks in Certain Economics Conditions Probability Stock A B gc Recession 15% -1X% -5% -7% Normal 50% 10% 3Y% 20% Boom 35% 20% 1X% 17% Table 2. Allocation of Each Stocks in a Portfolio ABC Portfolio ABC A B Investment (rupiah) Rp500,000,000 Rp400,000,000*(1+X%) Rp300,000,000*(1-Y%) Based on information above, calculate: a. Expected return, variance, and standard deviation for each stock. b. Which stocks that have a higher risk? Why? c. Expected return, variance, and standard deviation for portfolio ABC. *Notes