Sheffield Corporation and Grouper Corporation, two companies of roughly the same size, are both involved in the manufacture of shoe-tracing devices. Each company depreciates its plant assets using the straight-line approach. An investigation of their financial statements reveals the information shown below. Sheffield Corp. Grouper Corp. Net income $ 209,800 $ 312,720 Sales revenue 1,049,000 1,303,000 Total assets (average) 4,196.000 3,257,500 Plant assets (average) 2,850,000 1,898,000 Intangible assets (goodwill) 325,100 (a) For each company, calculate these values: (Round return on assets and profit margin to 1 decimal place, e.g. 6.2% and asset turnover to 2 decimal places, e.g. 17.54.) Sheffield Corp. Grouper Corp. (1) Return on assets (2) Profit margin (3) Asset turnover times times