Shack Diesel Company has stock trading today at $40.04 per share. The company just paid a $2.46 per share dividend. Kenny Smith, an analyst, believes investors should seek a 10.00% return to hold the stock. If we value Shack Diesel using the constant growth model, what dividend growth rate would justify these assumptions? Answer Format: Percentage Round to: 2 decimal places (Example: 9.24%, % sign required. Will accept decimal format rounded to 4 decimal places (ex: 0.0924))