-Which of the Following Statements Are True Regarding Volatility

Multiple Choice

-Which of the following statements are true regarding volatility:
(I) It measures the total risk of financial assets
(II) It can be used in computing value-at-risk
(III) It is a component of the Black-Scholes formula for deriving the prices of traded options
(IV) It can be estimated using the variance of asset returns

A) I only
B) I and II only
C) I, II and III only
D) I, II, III and IV