Brady Home Health has a profit margin of 12 percent on sales of $20, 000, 000. If the firm has debt of $8, 500, 000 and total assets of $23, 500, 000, what is Brady's return on assets (ROA)? Select one: a. 13.5 percent b. 10.2 percent c. 8.0 percent d. 5.3 percent e. 3.1 percent