7-5 ROE Needham Pharmaceuticals has a profit margin of 3% and an equity multi- plier of 2.0. Its sales are $ 100 million and it has total assets of $50 million. What is its ROE? 7-6 DuPont Analysis Gardial & Son has an ROA of 12%, a 5% profit margin, and a return on eq- uity equal to 20%. What is the company's total assets turnover? What is the firm's equity multiplier