Which statement(s) below about CAPM versus multiple-factor APT is/are correct? 1. CAPM could be viewed as a special one-factor APT II. APT provides guidance about the sources of risks III. APT provides guidance about the number of factors IV. APT does not specify the magnitude of factor risk premium in equilibrium Select one: a. I and IV only O b. I and II only O c. I and III only O d. II and III only O e. All of I, II, III and IV