An investor wants to invest in some combo of A,B, and C and minimize her volatility. Stocks A,B, and C all have volatility of 10%. Further, The correlation of A and B is 5 (negative). The correlation of A and C is +.5 (positive). The correlation of B and C is 0 (zero). Which portfolio below makes the most sense given the investor's preference of minimal volatility? All A All B All C 50% A, 50% B 50% A, 50% C 50% B, 50% C