Here are the abbreviated financial statements for Planners Peanuts:

INCOME STATEMENT, 2019
Sales	$	7,500
Cost		5,900
Net income	$	1,600

BALANCE SHEET, YEAR-END
		2018				2019						2018				2019
Assets		$	3,500			$	4,000			Debt		$	853			$	1,000
										Equity			2,647				3,000
Total		$	3,500			$	4,000			Total		$	3,500			$	4,000

Assets are proportional to sales. If the dividend payout ratio is fixed at 50%, calculate the required total external financing for growth rates in 2020 of (a) 40%, (b) 45%, and (c) 50%. (Do not round intermediate calculations. Round your answers to 2 decimal places.)