Could you also help me solve for the ROI for each of the three distribution channels? thank u!!

Carla Vista 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: Sales revenue Variable expenses Direct fixed expenses Average assets Required rate of return Retail Stores Internet $12,011,000 $2,752,000 4,799,000 1,362,000 6,712,000 1,149,800 6,000,100 2.002.700 12% 1296 Catalog Sales $3,606,000 2,058,000 988,200 3,007,400 12% (21) Calculate the margin and asset turnover for each of the three distribution channels. (Round answers to 2 decimal places, eg. 5.12% or 5.12.) Retail Stores Internet Catalog Sales % % % Margin Asset turnover