A cempany s inventery recerds indicate the following doto for the momh of janusry.

$\backslash$table$[[$Date$,$Activities,Units Acquired at cest,units sold at Retail$],[2$ anuary $1,$Beginning imventary,$360$ units $8813=56,488,],[$Janusry $8,$Purchase,$348$ units ef $$20=$$$6,80e,],[$Janwary $1$:$,$sale,,$609$ units $8578],[$January $17,$Purchase,$488$ units $8522=$$$8,800,],[$Jenuary $23,$swle,,$3$ea units e $$70$