The most recent financial statements for Williamson, Inc., are shown here (assuming no income taxes): Income Statement Balance Sheet Sales $ 9,400 Assets $ 19,050 Debt $ 6,050 Costs 6,940 Equity 13,000 Net income $ 2,460 Total $ 19,050 Total $ 19,050 Assets and costs are proportional to sales. Debt and equity are not. No dividends are paid. Next years sales are projected to be $11,280. What is the external financing needed? (Do not round intermediate calculations and round your answer to the nearest whole number, e.g., 32.) External financing