AAD company is reviewing the behavior of its various activities. AAD is considering various costs under process costing system. In dept. A they had 1,000 units in work in process on April 1 which were 20% complete as to conversion costs. During April, 8,000 units were sold. On April 30, 4,000 units remained in work in process 50% complete as to conversion costs. Using the weighted average method process costing, calculate the equivalent units of conversion for the month of April.