Which of the following statements about the Gordons growth model is incorrect? (Hint: Examine the Gordon model formula carefully.) (a) When using the Gordons constant growth model, the required rate of return (r) has to be greater than the constant growth rate (g) in order for the model to be useful. (b) The Gordons constant growth model implies that a stock value increases when its expected dividend growth rate increases. (c) The Gordons constant growth model implies that a stock.