Canvas XC Domingo Corporation uses the weighted-average method in its process costing system. This month, the beginning inventory in the first processing department consisted of 1300 units. The costs and percentage completion of these units in beginning inventory were: Materials costs Conversion costs Cost $6400 $2600 Percent Complete 50% 20% A total of 7700 units were started and 7000 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 Conversion costs Cost $159,600 $121,300 The ending inventory was 85% complete with respect to materials and 75% complete with respect to conversion costs. How many units are in ending work in process inventory in the first processing department at the end of the month? 6400 1350 700 2000 3 S 40 % & 5 6 7 hp 8 144 6