[Solved] Which of the following statements is false? A) When stocks are perfectly positively correlated, the set of portfolios is identified graphically by a straight line between them. B) An investor seeking high returns and low volatility should only invest in an efficient portfolio. C) When the correlation between securities is less than 1, the volatility of the portfolio is reduced due to diversification. D) Efficient portfolios can be easily ranked, because investors will choose from among them those with the highest expected returns. Upside Down: Oriented in the opposite direction to the usual, with the top or upper part turned toward the bottom. Naked Eye: Refers to the observation of objects without the use of magnification instruments. Lens Paper: A soft, lint-free paper used for cleaning the lenses of optical instruments without scratching them. Lens Cleaner: A solution or substance specifically designed for cleaning the optical surfaces of lenses to remove dirt, dust, and fingerprints.