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.

Purchases on December $7$

Purchases on December $14$

Purchases on December $21$

$10$ units @ $$12\mathrm{.}00$ cost

$20$ units @ $$18\mathrm{.}00$ cost

$15$ units @ $$20\mathrm{.}00$ cost

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

Note: Round your per unit costs to $2$ decimal places.

$\backslash$table$[[$Weighted Average $-$ Perpetual:$],[$Date$,$Goods purchased,Cost of Goods Sold,Inventory Balance$],[\backslash$table$[[$# of$],[$units$]],$Cost per unit,Inventory Value,$\backslash$table$[[$# of$],[$units$],[$sold$]],\backslash$table$[[$Cost per$],[$unit$]],\backslash$table$[[$Cost of Goods$],[$Sold$]],$# of units,Cost per unit,$\backslash$table$[[$Inventory$],[$Balance$]]],[$December $7],[$December $14],[$Average cost December $14],[$December $15],[],[$December $21],[],[$Average cost December $21],[$Totals$,,,,,,,,,]]$