NEED HELP WITH NUMBER 3 AND 5!!!

Required a. Compute the following profitability measures for the year ended August 3, 2014 (Dividends declared were $1.248 per common share): 1. Return on investment, based on net earnings (perform a DuPont analysis). (Round your answer to 1 decimal place.) Answer is complete and correct ROI 9.9 % 2. Return on equity, based on net earnings and total equity. (Round your answer to 1 decimal place.) Answer is complete and correct ROE 57.4 % 3. Price/earnings ratio. Use $41.96 as the year-end market price. (Round your answer to 1 decimal place.) Answer is not complete Price/earnings ratio