Refer to the balance sheet and income statement information for 3M Company, presented below. a. Compute 3M 's 2014 return on assets (ROA) Assume a tax rate of 35%. Do not round until your final answer. Round answer to one decimal place (i.e., 0.2568=25.796 ). 6 b. Disaggregate ROA into profit margin (PM) and asset turnover (AT). Confirm ROA = PM X AT Do not round until your final answers. Round PM and ROA to one decimal place (i.e. 0.2568=25.7% ) Round AT to 3 decimal places