Abbreviated financial statements for Archimedes Levers are shown in the table below. Assume sales and expenses increase by 18% in 2017 and all assets and liabilities increase correspondingly.

Income StatementSales$7,800Costs, including interest5,400Net income$2,400

Balance Sheet, Year-End2016201520162015Net assets$6,981$6,500Debt$3,081$2,933Equity3,9003,567Total$6,981$6,500Total$6,981$6,500

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%