E11.5. Profit Margins, Asset Turnovers, and Return on Net Operating Assets: A What-If Question (Medium) A firm earns a profit margin of 3.8 percent on sales of $435 million and employs net oper-1 ating assets of $150 million to do so. It considers adding another product line that will earn a 4.8 percent profit margin with an asset turnover of 2.3. What would be the effect on the firm's return on net operating assets of adding the new product line? Applications