Required information

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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 $$27$ each.

Purchases on December $7$

Purchases on December $14$

Purchases on December $21$

$10$ units $$13\mathrm{.}00$ cost

$20$ units $$19\mathrm{.}00$ cost

$15$ units $$21\mathrm{.}00$ cost

Of the units sold, $8$ are from the December $7$ purchase and $7$ are from the December $14$ purchase. Determine the costs assigned to ending inventory when costs are assigned based on specific identification.

$\backslash$table$[[$Specific Identification$],[,$Goods Avallable for Sale,Cost of Goods Sold,Ending Inventory$],[,$# 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$]],\backslash$table$[[$# of units$],[$in ending$],[$inventory$]],\backslash$table$[[$Cost$],[$per unit$]],\backslash$table$[[$Ending$],[$Inventory$]]],[$Purchases:$,,,,,,,,,],[$Decomber $7,,,,7,,,,,],[$December $14,,?,,,,,,,],[$December $21,,,,,,,F,,],[$Tolal$,,,,,,,,,]]$