Answer:
Equivalent units of production for conversion costs for June were :
104,000 units  - Weighted Average Cost method
90,000 units  - FIFO method
Explanation:
If Weighted Average Cost method is used for this question.
Conversion Costs
Units Completed and Transferred (100,000 x 100%) Â Â Â 100,000
Units In Ending Work In Process (10,000 x 40%) Â Â Â Â Â Â Â Â 4,000
Total Equivalent units of production                 104,000
If FIFO method is used for this question.
Conversion Costs
To finish Opening Work In Process (20,000 x 30%) Â Â Â Â Â 6,000
Started and Completed  (80,000 x 100%)             80,000
Units In Ending Work In Process (10,000 x 40%) Â Â Â Â Â Â Â 4,000
Total Equivalent units of production                 90,000
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