QUESTION 4 Which of these statements is FALSE? O The risk premium for diversifiable risk is zero, so investors are not compensated for holding firm-specific risk. O The risk premium of a security is determined by its unique risk and does not depend on its diversifiable risk. The beta of a security is the expected percent change in the excess return of a security for a 1% change in the excess return of the market portfolio. O The appropriate measure of risk is a security's beta, not its total risk (systematic plus unsystematic risk)