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Required information

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Laker Company reported the following January purchases and sales data for its only product. For specific identification, ending inventory consists of $340$ units from the January $30$ purchase, $5$ units from the January $20$ purchase, and $15$ units from beginning inventory.

$\backslash$table$[[$Date$,$Activities,Units,Acquir,red at $c,$Cost,,Units $50,da,$t Retail$],[$January $1,$Beginning inventory,$210$ units,@$,13\mathrm{.}50=,=,$$$2,835,,,],[$January $18,$Sales,,,,,,$160$ units,$($a$),$$$22\mathrm{.}50$