Southwest Corporation uses the weighted average method for its process costing system. The Assembly department at Southwest began the month of April with $6,000$ units in work$-$in$-$process inventory, all of which were completed and transferred out during April. An additional $8,000$ units were started during the month, $3,000$ of which were completed and transferred out during April. A total of $5,000$ units remained in work$-$in$-$process inventory at the end of April and were at varying levels of completion, as shown in the following:

Labels$\%$ Complete

Direct materials $40$

Direct labor$30$

Overhead $50$

The following cost information is for the Assembly department at Southwest Corporation for the month of April:

Labels Direct MaterialsDirect LaborOverheadTotal

Beginning WIP Inventory $$300,000$ $$350,000$ $$250,000$ $$900,000$

Incurred during the month $$180,000$ $$200,000$ $$170,000$ $$550,000$

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Instructions

Southwest Corporation uses the weighted average method for its process costing system. The Assembly department at Southwest began the month of April with $6,000$ units in work$-$in$-$process inventory, all of which were completed and transferred out during April. An additional $8,000$ units were started during the month, $3,000$ of which were completed and transferred out during April. A total of $5,000$ units remained in work$-$in$-$process inventory at the end of April and were at varying levels of completion, as shown in the following:

Labels$\%$ CompleteDirect materials$40$Direct labor$30$Overhead$50$

The following cost information is for the Assembly department at Southwest Corporation for the month of April:

LabelsDirect MaterialsDirect LaborOverheadTotalBeginning WIP Inventory$$300,000$$$350,000$$$250,000$$$900,000$Incurred during the month$$180,000$$ $200,000$$$170,000$$$550,000$

For this assignment, complete the following:$$

Determine the units to be accounted for and units accounted for; then calculate the equivalent units for direct materials, direct labor, and overhead. $($Hint: this requires performing step $1$ of the four$-$step process.$)$

Calculate the cost per equivalent unit for direct materials, direct labor, and overhead. $($Hint: this requires performing step $2$ and step $3$ of the four$-$step process.$)$

Assign costs to units transferred out and to units in ending WIP inventory. $($Hint: this requires performing step $4$ of the four$-$step process.$)$

Confirm that total costs to be accounted for $($from step $2)$ equal total costs accounted for $($from step $4).$ Note that minor differences may occur due to rounding the cost per equivalent unit in step $3.$