Leash N Collar reported a profit margin of 8.8%, total asset turnover ratio of 2.3 times, debt-to-equity ratio of 0.83 times, net income of $480,000, and dividends paid to common stockholders of $280,000. The firm has no preferred stock outstanding. What is Leash N Collar's internal growth rate?

I believe the answer is 9.6491% but I am not sure I am doing it right.