5. Find the self-supporting growth rate in sales if Last year's sales- Last year's total assets- Last year's profit margin- $300.0 $500.0 20.0% Last year's accounts payable Last year's notes payable Last year's accruals Payout ratio $50.0 $15.0 $20.0 10.0% In one sentence sum up what this number means in terms of outside external financing needed