Which of the following statements is correct? a. A required condition for one to use the constant growth model is that the stock's expected growth rate exceeds its required rate of return. b. A stock's dividend yield can never exceed its expected growth rate. c. The dividend yield on a constant growth stock must be equal to the stock's expected total return less its expected capital gains return. d. Other things held constant, the higher a company's beta coefficient, the lower its required rate of return. Which of the following statements is correct? a. A required condition for one to use the constant growth model is that the stock's expected growth rate exceeds its required rate of return. b. A stock's dividend yield can never exceed its expected growth rate. c. The dividend yield on a constant growth stock must be equal to the stock's expected total return less its expected capital gains return. d. Other things held constant, the higher a company's beta coefficient, the lower its required rate of return