$[$ine rollowing inrormation appiles to the questions aisplayea Delow.$]$

Laker Company reported the following January purchases and sales data for its only product. The Company uses a periodic inventory system. For specific identification, ending inventory consists of $200$ units, where $180$ are from the January $30$ purchase, $5$ are from the January $20$ purchase, and $15$ are from beginning inventory.

$\backslash$table$[[$Date$,$Activities,,its ACO,uired a$,,,,\backslash$table$[[$its sold$],[$Retail$]],$at$],[$Jan$.1,$Beginning inventory,$140,$units @$,$$$6\mathrm{.}00=,$$$,840,,,],[$Jan$.10,$Sales,,,,,,$100,$units@$,$$$15$