$!$

Required information

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

Trey Monson starts a merchandising business on December $1$ and enters into the following three inventory purchases. Monson uses a perpetual inventory system. Also, on December $15,$ Monson sells $15$ units for $$20$ each.

$\backslash$table$[[$Purchases on December $7,10$ units @ $$6$ cost$],[$Purchases on December $14,20$ units @ $$12$ cost$],[$Purchases on December $21,15$ units @ $$14$ cost$]]$

Determine the costs assigned to ending inventory when costs are assigned based on the LIFO method.