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Required information

$[$The following information applies to the questions displayed below.$]$

Trey Monson starts a merchandising business on December $1$ and enters into the following three inventory purchases. Monson uses a periodic inventory system. Also, on December $15,$ Monson sells $15$ units for $$20$ each.

$\backslash$table$[[$Purchases on December $7,10$ units @ $$6$ cost$],[$Purchases on December $14,20$ units @ $$12$ cost$],[$Purchases on December $21,15$ units @ $$14$ cost$]]$

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

Note: Round cost per units to $2$ decimal places.

$\backslash$table$[[$Weighted average $-$ Periocic$],[,$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$[[$Average$],[$Cost per$],[$Unit$]],\backslash$table$[[$Cost of$],[$Goods Sold$]],\backslash$table$[[$# of units$],[$in ending$],[$inventory$]],\backslash$table$[[$Average$],[$Cost per unit$]],\backslash$table$[[$Ending$],[$Inventory$]]],[$Purchases:$],[$December $7,,\_,,,,4,,,],[$December $14,$P$,,+,,,,,s,x^2$