Abbreviated financial statements for Archimedes Levers are shown in the table below. Assume sales and expenses increase by 10% in 2018 and all assets and liabilities increase correspondingly.

Income Statement
		2017
Sales	$	6,200
Costs, including interest		4,600
Net income	$	1,600

Balance Sheet, Year-End
	2018			2017				2018			2017
Net assets	$	5,301		$	4,900		Debt	$	2,201		$	2,133
							Equity		3,100			2,767
Total	$	5,301		$	4,900		Total	$	5,301		$	4,900

a. If the payout ratio is set at 65% and no external debt or equity is to be issued, what is the maximum possible growth rate for Archimedes? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)

Internal growth rate

%

b. If the payout ratio is set at 65% and the firm maintains a fixed debt ratio but issues no equity, what is the maximum possible growth rate for Archimedes? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)

Sustainable growth rate

%