12) The current dividend yield on Dell's common stock is 3.1 percent. The company just paid a $1.68 annual dividend and announced plans to pay $1.78 next year. The dividend growth rate is expected to remain constant at the current level. What is the required rate of return on this stock? O a) 8.42% O b) 9.50% O c) 8.72% d) 10.15% None of the above