29. Which one of the following is true concerning the capital asset pricing model? (0.5 Points) O A graph of the CAPM is a downward-sloping function. O A security with a beta of zero has an expected return also equal to zero. A rate of return that falls above the CAPM line on a graph indicates a firm that is producing a rate of return in excess of the required rate based on the firm's level of non-diversifiable risk. The market risk premium is equal to beta multiplied by the market rate of return minus the risk-free rate. 30. Mathematically, what are the two main differences between bonds and shares? (0.5 Points) O initial payment and potential annual payments annual payments and risk O maturity and payment growth risk and payment growth