During the latest year, XYZ Corporation has total sales of $300.000, net income of 10,000, and its year-end total assets were $240,000. The firm's total debt to total assets ratio was 40%. What is firm's return on assets (ROA)? (Enter your answers as a decimal rounded to 4 decimal places, not a percentage. For example, enter 0.0843 instead of 8.43%)