Home Services common stock offers an expected total return of 14.56 percent. The last annual dividend was $2.27 a share. Dividends increase at a constant 2.1 percent per year. What is the dividend yield?
选项：

A:16.66 percent
B: 16.48 percent
C: 13.35 percent
D: 14.20 percent
E: 12.46 percent