问题如下：
An analyst has estimated the intrinsic value of a stock would be $30. Calculate the constant growth rate if the most recent dividend was $1 and investors’ required return was 10%.
选项：
A. 2.67%.
B. 3.08%.
C. 6.45%.
解释：
C is correct.
$1(1+g) / (0.1 - g) = $30 and g=6.45%.
g是多少…答案看不懂