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Required information

Use the following information for the Quick Study below. $($Algo$)(11-14)$

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

Trey Monson starts a merchandising business on pecember $1$ and enters into the following three inventory purchases. Monson uses a perpetual inventory system. Also, chn December $15,$ Monson sells $15$ units for $$31$ each.

$\backslash$table$[[$Purchases o$,$on December $7,0,$units,$40,$$$17\mathrm{.}90,cost$