Question 2 (Essential to cover) Consider risk measures on the following 3 large cap stocks: Stock Beta (B) Berkshire Hathaway (BRK) 0.69 Apple (APPL) 1.15 Microsoft (MSFT) 1.28 Standard Deviation () 23.50% 24.00% 22.80% The standard deviation of the Market Portfolio M= 15.3% a. Calculate the systematic and unsystematic risk of BRK, APPL and MSFT. b. What is BRK's covariance and correlation with the Market Portfolio's return? c. Calculate the following covariances: Cov(BRK,APPL), Cov(BRK,MSFT), COV(APPL,MSFT) d. Consider an equally weighted portfolio of BRK and APPL. Calculate the portfolio's total risk (i.e. variance), systematic risk and unsystematic risk? Verify that p = 1/2 =101. N N