The most recent financial statements for Williamson, Inc., are shown here (assuming no income taxes): Income Statement Balance Sheet Sales $ 7,200 Assets $ 24,500 Debt $ 10,000 Costs 5,270 Equity 14,500 Net income $ 1,930 Total $ 24,500 Total $ 24,500 Assets and costs are proportional to sales. Debt and equity are not. No dividends are paid. Next years sales are projected to be $8,136. 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 needed $________