Wildhorse Decor sells home decor items through three distribution channels-retail stores, the Internet, and catalog sales. Each distribution channel is evaluated as an investment center. Selected results from the latest year are as follows: Retail Stores Internet Catalog Sales Sales revenue $10,270,000 $3,600,000 $4,485,000 Variable expenses 3,950,000 1,361,000 1,850,000 Direct fixed expenses 4,882,200 943,000 2,365,900 Average assets 7,900,000 3,600,000 1,950,000 Required rate of return 12% 12% 12% (a1) Calculate the margin and asset turnover for each of the three distribution channels. (Round answers to 2 decimal places, e.g. 5.12% or 5.12.) Retail Stores Internet Catalog Sales Margin % % % Asset turnover