Which of the following statements is the most accurate? Select one: O a. Financial markets are always efficient because investors can always obtain Information from big banks O b. CAPM states that prices in financial markets always reflect all available information. Thus, making profit via arbitrage is impossible O c. CAPM states that markets are efficient most of the time but could be efficient sometimes O d. Efficient markets as a notion means that, at any point in time, volatility of assets fully reflect all available information e. Perfect information and investors' rationality imply that financial markets are inefficient NEXT PAG