Chae Corporation uses the weighted-average method in its process costing system. This month, the beginning inventory in the first processing department consisted of 560 units. The costs and percentage completion of these units in beginning inventory were: Percent Complete Cost $6,500 Materials costs Conversion costs 65% 25% A total of 8,700 units were started and 7,800 units were transferred to the second processing department during the month. The following costs were incurred in the first processing department during the month: $136,500 Materials costs Conversion costs The ending inventory was 90% complete with respect to materials and 85% complete with respect to conversion costs Note: Your answers may differ from those offered below due to rounding error. In all cases, select the answer that is the closest to the answer you computed. How many units are in ending work in process inventory in the first processing department at the end of the month