The most recent financial statements for Schenkel Co. are shown here:

Income Statement				Balance Sheet
Sales	$	16,300		Current assets	$	10,900		Debt	$	15,400
Costs		11,700		Fixed assets		26,250		Equity		21,750
Taxable income	$	4,600		Total	$	37,150		Total	$	37,150
Taxes (40%)		1,840
Net income	$	2,760

Assets and costs are proportional to sales. Debt and equity are not. The company maintains a constant 20 percent dividend payout ratio. No external financing is possible.

What is the internal growth rate?