Answer:
The equivalent units for conversion costs under the FIFO method is 59,130 liters.
Explanation:
Calculation of Equivalent units of Production for Conversion Costs
Method : FIFO
To Compete Opening Work in Process (5,700 × 80%)  =  4,560
Started and Completed (58,100 -  5,700) × 100%      = 52,400
Closing Work in Process (3,100 × 70%)              =   2,170
Equivalent units of Production for Conversion Costs   =  59,130