The most recent financial statements for Mixton, Incorporated, are shown here: Assets and costs are proportional to sales. Debt and equity are not. A dividend of $2,400 was paid, and the company wishes to maintain a constant payout ratio. Next year's sales are projected to be $30,960. What is the external financing needed? (Do not round intermediate calculations and round your answer to the nearest whole number, e.g., 32.)