Please choose the expression that is true:

A. Variance of a portfolio is equal to weighted average of the variances of individual assets.

B. In evaluating mutually exclusive projects, Internal Rate of Return (IRR) can correctly rank projects based on NPV.

C. Discount payback period ignores Time value of Money.

D. Security Market Line is a negatively sloped straight line that displays the relationship between excepted return and beta.

E. The only type of risk we can eliminate using diversification is unsystematic risk.