Assets and costs are proportional to sales. Debt and equity are not The company maintains a constant 40 percent dividend payout ratio. No external financing is possible. What is the ROA? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) ROA 15.69 % ces What is the internal growth rate? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Internal growth rate : %