Eagle Sports Supply has the following financial statements. Assume that Eagles assets are proportional to its sales.

INCOME STATEMENT, 2019
Sales	$	1,450
Costs		280
Interest		90
Taxes		230
Net income	$	850

BALANCE SHEET, YEAR-END
	2018				2019					2018				2019
Assets	$	4,800			$	5,100			Debt	$	1,600			$	1,700
									Equity		3,200				3,400
Total	$	4,800			$	5,100			Total	$	4,800			$	5,100

a. What is the internal growth rate of Eagle Sports if the dividend payout ratio is fixed at 70% and the equity-to-asset ratio is fixed at 2/3? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)

b. What is the sustainable growth rate? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)