At the beginning of the year, an investor buys 1,000 shares of XYZ stock, purchased at $33 per share. Subsequently, the stock rises to $40 by the end of the year and the stock pays a $4 dividend during the year. By the end of the following year, the stock has fallen to $25 and pays the same $4 dividend. What is the stock's dividend yield?A. 4%B. 10%C. 12%D. 16%