Which of the following statements about the Arbitrage Pricing Theory (APT) are correct? Check all that apply. The APT model maintains that the realized returns on stocks depend on unexpected changes in fundamental economic factors. The APT identifies all relevant factors that affect the realized returns on stocks. The APT is more general than the Capital Asset Pricing Model (CAPM). The APT maintains that the realized return on any stock depends on changes unique to the firm. Jamal, an analyst at Graffiti Aviation (GA), models the company's stock assuming that all stocks' returns depend on only three risk factors: Inflation, industrial production, and the aggregate degree of risk aversion. The risk-free rate is ra = 5%, the return on the market is TM = 7%, and the rest of the avaliable data is given in the following table: Value 15% 10% 4% Variable The required rate of return on an inflation portfolio, The required return on an industrial production portfolio, 2 The required return on a risk-bearing portfolio, Factor sensitivity to the Inflation portfolio, be Factor sensitivity to the industrial production portfolio, be Factor sensitivity to the risk-bearing portfolio, bz Graffiti Aviation's beta, GA 0.4 -0.6 0.9 0.65 Using the APT model, Jamal calculates that GA's required rate of return is If Jamal used the Capital Asset Pricing Model, he would have calculated that GA's required rate of return is