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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 $$40$ each.

$\backslash$table$[[$Purchases on December $7,10$ units @ $$26\mathrm{.}00$ cost$],[$Purchases on December $14,20$ units @ $$32\mathrm{.}00$ cost$],[$Purchases on December $21,15$ units @ $$34\mathrm{.}00$ cost$]]$

QS $5-14($Algo$)$ Perpetual: Inventory costing with specific identification LO P$1$

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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 stid,Ending Inventory$],[,$# of units,Cost per unit,Cost of Goods Available for Sale,# of units sold,Cost per unit,Cost of Goods Sold,# of units in ending inventory,Cost per unit,,$],[$Purchases:$,,,,,,,,,,],[$December $7,,,$$ $0,,$$ $0\mathrm{.}00,$$ $0,,$$ $0\mathrm{.}00,$$$,0],[$December $14,,,0,,0\mathrm{.}00,0,,0\mathrm{.}00,,0],[$December $21,,,0,,,,,0\mathrm{.}00,,0],[$Total$,0,,$$ $0,0,,$$ $0,0,,$$$,0]]$