The 2019 financial statements for Growth Industries are presented below. INCOME STATEMENT, 2019 Sales $ 290,090 Costs 195,090 EBIT $ 95,000 Interest expense 19, 090 Taxable income $ 76,006 Taxes (at 21%) 15,960 Net income $ 60, 040 Dividends $ 36, 024 Addition to retained earnings $ 24, 016 BALANCE SHEET, YEAR-END, 2019 Assets Liabilities Current assets Current liabilities Cash $ 5,000 Accounts payable $ 12, 000 Accounts receivable 10, 090 Total current liabilities 12,006 Inventories 25,000 Long-term debt 190,000 Total current assets 40,000 Stockholders' equity Net plant and equipment 230, 000 Common stock plus additional paid-in capital 15, 000 Retained earnings 53,090 Total assets $ 270,000 Total liabilities plus stockholders' equity $ 270,000 Sales and costs are projected to grow at 20% a year for at least the next 4 years. Both current assets and accounts payable are projected to rise in proportion to sales. The firm is currently operating at 75% capacity, so it plans to increase fixed assets in proportion to sales. Interest expense will equal 10% of long-term debt outstanding at the start of the year. The firm will maintain a dividend payout ratio of 0.60. What is the required external financing over the next year? (Enter excess cash as a negative number with a minus sign.) External financing