Porter's Corner has sales of $4,650, costs of $4160, net income of $490, total assets of $5,800, and total debt of $2,760. Assets and costs are proportional to sales. Debt and equity are not. No dividends or taxes are paid. Next year's sales are projected to be $5,673. What is the amount of the external financing needed? (fill in the blanks with values rounded to the nearest cent, no dollar signs "$", and commas ",'. Example: $1,234.567 >>> write as 1234.57) Pro forma Income Statement Sales 5673 Costs Net Income Dividends 0 Retained Earnings Pro forma Balance Sheet Assets Debt Equity Total Assets Total liabilities and Equity EFN=