The most recent financial statements for Kerch, Inc., are shown here (assuming no income taxes): Income Statement Sales $7,200 Assets Costs 4,730 Net income $2,470 Total Balance Sheet Debt Equity $21,700 $21,700 Total $ 9.100 12,600 $21,700 Assets and costs are proportional to sales. Debt and equity are not. No dividends are paid. Next year's sales are projected to be $8,424. What is the external financing needed?