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4. Use the table for the question(s) below. (5 pts) Consider the following expected returns, volatilities, and correlations: a. The expected return of a portfolio that is equally invested in Duke Energy and Microsoft is closest to: b. The volatility of a portfolio that is equally invested in Duke Energy and Microsoft is closest to ( x1 and x2 are weights for stock 1 and stock 2) : Hint: Var(Rp)=(x12)Var(R1)+(x22)Var(R2)+2X1X2Corr(R1,R2)SD1SD2