There are $2$ retail companies A and B with some financial information listed in the table below. One company is a supermarket, the other is a jewellery retailer. Distinguish which is company A and which is company B$.$ Explain your choice.

Company

A

B

Days$$ sales in receivables

$69$

$7$

Net Profit Margin

$7\mathrm{.}9\%$

$9\mathrm{.}8\%$

Book value per share

$0\mathrm{.}1$

$0\mathrm{.}28$

Inventory turnover

$1\mathrm{.}3$

$13$

$(12$ marks$)$