如何算出g？

问题如下：

Using the data in Exhibit 1, Barton’s note about the use of the Gordon growth model to value XRL is most likely:

选项：

A.A.correct because the required return on equity is less than the expected growth rate. B.B.incorrect because the sustainable growth rate is greater than the US economy’s growth rate. C.C.incorrect because the required return on equity is greater than the US economy’s growth rate.

解释：

• describe strengths and limitations of the Gordon growth model and justify its selection to value a company’s common shares