Bistrol Corporation uses the weighted-average method in its process costing system. This month, the beginning inventory in the first processing department consisted of 800 units. The costs and percentage completion of these units in beginning inventory were: Percent Complete Cost $ 15,700 75% $ 7,700 20% Materials costs Conversion costs A total of 8,400 units were started and 7,500 units were transferred to the second processing department during the month. The following costs were incurred in the first processing department during the month Materials costs Cost $186,300 Conversion costs: $ 329,800 The ending inventory was 70% complete with respect to materials and 60% complete with respect to conversion costs. What are the equivalent units for conversion costs for the month in the first processing department? Multiple Choice 1020 plete with respect to materials and 60% complete with respect to conversion costs. What are the equivalent units for conversion costs for the month in the first processing department? Multiple Choice 1,020 8,520 7,500 9.200