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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 $$26$ each.

$\backslash$table$[[$Purchases on December $7,10$ units @ $$12\mathrm{.}00$ cost$],[$Purchases on December $14,20$ units @$$18\mathrm{.}00$ cost$],[$Purchases on December $21,15$ units @$$20\mathrm{.}00$ cost$]]$

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

$\backslash$table$[[$Date$,$Perpetual LIFO:$],[$Goods purchased,Cost of Goods Sold,Inventory Balance$],[$# of units,$\backslash$table$[[$Cost per$],[$unit$]],\backslash$table$[[$Cost of Goods$],[$Available for$],[$Sale$]],\backslash$table$[[$# of$],[$units$],[$sold$]],\backslash$table$[[$Cost per$],[$unit$]],\backslash$table$[[$Cost of Goods$],[$Sold$]],$# of units,$\backslash$table$[[$Cost per$],[$unit$]],\backslash$table$[[$Inventory$],[$Balance$]]],[$December $7],[$December $14],[$Total December $14],[],[$December $15],[],[$Total December $15],[,,,,,,,,,],[$December $21],[$Totals$,,,,,,,,,]]$