The stock of Alpha Tool sells for $33.60 per share. Its current dividend rate, D0, is $1 per share. Analysts and investors expect Alpha to increase its dividends at a 20 percent rate for each of the next 2 years. This annual dividend growth rate is expected to decline to 18 percent for years 3 and 4 and then to settle down to 14 percent per year forever. Calculate the cost of internal equity for Alpha Tool. Round your answer to the nearest whole number.

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