What is margin and asset turnover for each of the three distribution channels

Current Attempt in Progress Wildhorse Decor sells home decor items through three distribution channelsretail 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 xed 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%