$[$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 $$32$ each.

Purchases on December $7,10$ units @ $$18\mathrm{.}00$ cost

Purchases on December $1420$ units @ $$24\mathrm{.}00$ cost

Purchases on December $21,15$ units @ $$26\mathrm{.}00$ cost

QS $5-12($Algo$)$ Perpetual: Inventory costing with LIFO X$.$O P$1$

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