The CEO of Harding Media Inc. as asked you to help estimate its cost of common equity. You have obtained the following data: D0 = $0.85; P0 = $22.00; and gL = 6.00% (constant). The CEO thinks, however, that the stock price is temporarily depressed, and that it will soon rise to $40.00. Based on the dividend growth model, by how much would the cost of common from reinvested earnings change if the stock price changes as the CEO expects?