Answer:
Clopack Company
3. Units completed and transferred to finished goods during the period = 34,500 units
4. The equivalent units of production for materials =  42,300 units
5. The equivalent units of production for conversion = 38,400 units
8. The cost per equivalent unit for materials = $3.75
10. The cost of ending work in process inventory for materials = $29,250
Explanation:
a) Data and Calculations:
T-account:
Work in Process - Mixing Department
Account Titles       Debit       Credit 
June 1 balance 32,000 
Materials          141,245
Direct labor      90,500
Overhead       108,000
Transferred to Finished Goods ?
June 30 balance                        ?
                                            Units     Materials    Conversion   Total
Beginning WIP                   4,900      $17,380       $14,620   $32,000
Degree of completion                           100%             60%
Started into production  37,400       141,245       198,500    339,745
Total units available       42,300    $158,625     $213,120   $371,745
Ending WIP                       7,800           100%             50%
Transferred out             34,500
Equivalent units of production      Materials            Conversion
Started and completed    34,500   34,500 (100%)  34,500 (100%)
Ending WIP                          7,800     7,800 (100%)    3,900 (50%)
Total equivalent units                     42,300              38,400
Cost per equivalent unit:   Materials    Conversion
Total cost of production    $158,625      $213,120
Total equivalent units          42,300         38,400
Cost per equivalent unit    $3.75            $5.55
Cost assigned to:                         Materials    Conversion   Total
Units started and completed      $129,375    $191,475      $320,850
Ending Work in Process                 29,250       21,645           50,895
Total cost assigned                     $158,625    $213,120       $371,745