The most recent financial statements for Dockett, Inc., are shown here (assuming no income taxes): Sales Income Statement Costs Assets $7,235 $4,280 Balance Sheet $16,063 Debt Equity $8,972 ? Assets and costs are proportional to sales. Debt and equity are not. No dividends are paid. Next year's sales are projected to be $7,709. What is the external financing needed? (Negative amount should be indicated by a minus sign.)