4. Lake Shore Vineyards recently paid a $4.20 annual dividend on their common swek. Thus dividend increases at an average rate of 4.2 percent per year. The stock is carrently welling for 580.65 a share. What is the required return? a. 5.21 percent b. 9.63 percent c. 5.43 perecet d. 5.67 percent c. 9,41 percent