Question 13 (2 points) Assume that Dinah wants to add a security to her portfolio that will reduce the variability in the portfolio returns. Which of the following securities would you recommend if the correlations below are between each security and Dinah's portfolio? Security C: Correlation = +0.38. Security A: Correlation = -0.82. Security D: Correlation = +0.78. Security B: Correlation = -0.50