Refer to the financial information for Target Corporation, presented below: a. Compute its return on assets (ROA) for the fiscal year ending February 3, 2018. Compute ROA using net earnings (loss). Assume a statutory tax rate of 25%. Round your answer to one decimal place. Use negative sign with answer, if appropriate. Return on Assets = % b. Disaggregate ROA into profit margin (PM) and asset turnover (AT). Round your answers to one decimal place. Use negative sign with answers, if appropriate. Profit Margin = 9 Asset Turnover =