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:

$($a$1)$

Calculate the margin and asset turnover for each of the three distribution channels. $($Round answers to $2$ decimal places, e$.$g$.5\mathrm{.}12\%$

or $5\mathrm{.}12.)$