Genes 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: Cost Percent Complete Materials costs $ 10,600 65% Conversion costs $ 12,800 30% A total of 8,500 units were started and 7,400 units were transferred to the second processing department during the month. The following costs were incurred in the firs