23. What is the relation between the CAPM and and a 1-factor APT (where the factor is market)? You need to select all correct answers: O [A] The CAPM says that the risk remium of each assets equals beta times the risk premium of the market O [B] The APT says that the risk remium of each assets equals beta times the risk premium of the market O [C] In the CAPM, only market risk (beta) matters for expected returns, because idiosyncratic risk can be diversified O [D] In the APT, only market risk (beta) matters for expected returns, because idiosyncratic risk can be diversified O [E] In the CAPM, only market risk (beta) matters for expected returns, because high-beta stocks have high marginal contribution to the risk of the market portfolio O (A) In the APT, only market risk (beta) matters for expected returns, because high-beta stocks have high marginal contribution to the risk of the market portfolio