Leopard, Inc. has a profit margin of 6.0% and a 35% dividend payout ratio. The firm had annual sales of $450,000 for the most recent year. At year-end it has net working capital of $66,900, net fixed assets of $353,100, and long-term debt of $180,000. The firm has no short-term interest-bearing debt. No external equity financing is possible. What is the internal growth rate? [Note: submit you answer as a percentage with two decimal places and do not include the percentage sign. For instance, 0.067 or 6.70% should be entered as 6.70]