Required information

Use the following information for the Exercises $3-7$ below. $($Static$)$

$[$The following information applies to the questions displayed below.$]$

Laker Company reported the following January purchases and sales data for its only product. For specific identification, ending inventory consists of $180$ units from the January $30$ purchase, $5$ units from the January $20$ purchase, and $15$ units from beginning inventory.

$\backslash$table$[[$Date$,$Activities,Units,Acqu,ired at $C,,$Units sold,t Retail$],[$January $1,$Beginning inventory,$140$ units,@$,$$$6\mathrm{.}00=,$$$840,,],[\backslash$table$[[$January $10],[$January $20]],\backslash$table$[[$Sales$],[$Purchase$]],,,,,100$ units,c $$15$