which answer is correct ?

Based on CAPM theory: The required return on the security is determined based on the return on the market portfolio and the yield on the treasury bills. The required return for the security is determined based on the overall risk and the unsystematic risk. The required return on the security is determined based on the return on the market portfolio, the yield on the treasury bonds and the market risk of the security. The required return on the security is determined based on the standard deviation and variance of the security Send feedback