Here are the abbreviated financial statements for Planners Peanuts:

INCOME STATEMENT, 2015
Sales	$	5,000
Cost		3,900
Net income	$	1,100

BALANCE SHEET, YEAR-END
		2014				2015						2014				2015
Assets		$	7,500			$	8,000			Debt		$	833			$	1,000
										Equity			6,667				7,000
Total		$	7,500			$	8,000			Total		$	7,500			$	8,000

Assume the payout ratio is 50%.

a.	Calculate the internal growth rate where no external debt or equity is to be issued. (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)

Internal growth rate

%

b.	Calculate the sustainable growth rate where the firm maintains a fixed debt ratio but issues no equity. (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)

Sustainable growth rate

%