Here are the abbreviated financial statements for Planners Peanuts:

INCOME STATEMENT, 2019
Sales	$	6,500
Cost		5,100
Net income	$	1,400

BALANCE SHEET, YEAR-END
		2018				2019						2018				2019
Assets		$	10,500			$	11,000			Debt		$	633			$	1,000
										Equity			9,867				10,000
Total		$	10,500			$	11,000			Total		$	10,500			$	11,000

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) 15%, (b) 20%, and (c) 25%. (Do not round intermediate calculations. Round your answers to 2 decimal places.)