Last week, Baxter industries paid their annual dividend of $1.34 on their common stock. Last company predicts that the dividend will increase by 3.5 percent each year indefinetely. What is the firm's cost of equity if the stock is selling for $43 a share? a. 4.89% b. 6.62% c. 6.73% d. 7.12% e. 7.38%