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 $$28$ each.

$\backslash$table$[[$Purchases on December $7,10$ units @ $$14\mathrm{.}00$ cost$],[$Purchases on December $14,20$ units @ $$20\mathrm{.}00$ cost$],[$Purchases on December $21,15$ units $$22\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 Available 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:$],[$December $7],[$December $14],[$December $21],[$Total$,,,,,,,,,]]$