d isn't my answer, just had to select one.

Cameron Company uses the weighted-average method in its process costing system. The Packaging Department started the month with 280 units in process, started 1,440 units, and had 180 units in process at the end of the period. All materials are added at the beginning of the process, and conversion costs are incurred uniformly. The units in process at the end of the month are 10% complete with respect to conversion costs. The department incurred the following costs. (Click on the icon to view the costs.) How many units were completed and transferred out? O A. 180 units O B. 1,540 units O C. 1,440 units D. 1260 units