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 Cost Complete Materials costs $ 15,700 75% Conversion costs $ 7700 20% 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 Cost Materials costs $ 186,300 Conversion costs $ 329,800 The ending inventory was 70% complete with respect to materials and 60% complete with respect to conversion costs The total cost transferred from the first processing department to the next processing department during the month is closest to: (Round your intermediate calculations to 3 decimal places.) Select one O A $471,435 O B. $539,500 OC $578,294 OD S516,100