Grady Home Health has a profit margin of 15 percent on sales of $20 million. If the firm has debt of $7.5 million and total assets of $22.5 milion, what is Grady's return on assets ROA)? O A. 13.3 percent O B. 10.9 percent C. 8.0 percent 0 D. 5.3 percent O E. 3.1 percent Reset Selection