Answer:
Mayer Company
MAYER COMPANY 
Molding Department 
Production Cost Report 
For the Month Ended May 31, 2013 
Units to be accounted for
Work in process, May 1       8,000 
Started into Production     27,000 
Total units                          35,000 
Equivalent Units: 
Units accounted for           Units       Materials    Conversion
Transferred out                30,000      30,000         30,000
Work in process, May 31    5,000        5,000           2,000
Total equivalent units      35,000      35,000         32,000
Costs Unit costs   Materials    Conversion Costs     Total
Costs in May       $140,000       $160,000              $300,000
Equivalent units     35,000           32,000
Unit costs             $4.00             $5
Costs to be accounted for 
Work in process, May 1    $60,000
Started into production $240,000
Total costs                     $300,000
Cost Reconciliation Schedule   Materials Conversion  Total cost
Costs accounted for 
Transferred out                         $120,000  $150,000     $270,000
Work in process, May 31              20,000       10,000         30,000
Total costs accounted for        $140,000   $160,000    $300,000
Explanation:
a) Data and Calculations:
Beginning WIP 75% complete to conversion
Ending WIP 40% complete to conversion
Work in process, May 31    5,000
Materials =  5,000 (100% * 5,000)
Conversion 2,000 (40% * 5,000)