$1$

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A company's inventory records show the following data for the month of January.

$\backslash$table$[[$Date$,,$Activities,Unit,ts Acqu,uired,at Cogt,Units,Sold at$,$t$,$Retail$],[$January $1,,$Beginning inventory,$350,$units,$($ $$9=,=$$$3,150,,,,],[$January $5,5,$Purchase,$340$ u$,$units,$($ $$10,$$$3,400,,,,],[$January$,9,$Sale,,,,,$470,$unite,e$,$$$35$