William's is currently operating at maximum capacity. The firm has a net income of $2,250, total assets of $24,600, long-term debt of $9,800, accounts payable of $2,700, dividends of $900, and total equity of $12,100. All costs, assets, and current liabilities vary directly with sales. The tax rate and the dividend payout ratio will remain constant. How much additional debt is required if no new equity is raised and sales are projected to increase by 5 percent?