4. The financial statement of Ruby & Company is as follows: Income Statement Sales Costs Taxable income Taxes 34% Net Income 5,700 4,200 1,500 510 990 Current Assets Fixed Assets 3,900 8,100 Balance Sheet Current Liabilities Long Term Debt Equity Total 2,200 3,750 6,050 12,000 Total 12,000 Assets, Costs and current liabilities are proportional to sales. Long term debt and equity are not. The company maintains a constant 40% dividend pay-out ratio. Next years sales are projected to increase by exactly 15%. What is the external financing required