Orange Corporation uses the weighted average method in its process conting system. This month the beginning inventory n the first processing department consisted of 300 unts. The costs and percentage completion of these units in beginning inventory were Mascosts Convern costs Cost 53.100 52000 Complete 204 50% A total of 1.500 units were started and 1.100 units were transferred to the second processing department during the month. The following costs were incurred in the first processing department during the month Materscouts Conversion costs 5110,500 $153.900 The ending inventory was so complete with respect to materials and complete with respect to conversion couts The cost of ending work in process inventory in the first processing department according to the company's cost system is closest to Select one a $12.125 b. 1255.807 C. 515,31 d. 519.84