A firm has total assets of $162,000, long-term debt of $46,000, stockholders' equity of $95,000, and current liabilities of $21,000. The dividend payout ratio is 60 percent and the profit margin is 8 percent. Assume all assets and current liabilities change spontaneously with sales and the firm is currently operating at full capacity. What is the external financing need if the current sales of $150,000 are projected to increase by 10 percent?