Superior Micro Products uses the weighted-average method of process costing. During January, the Assembly Department completed its processing of 25,800 units and transferred them to the next department. The cost of beginning work in process inventory and the costs added during January totaled $639,906. The ending work in process inventory in January consisted of 2,100 units, which were 50% complete for materials and 30% complete for labor and overhead. The costs per equivalent unit for the month were as follows: Required: For January: 1. Compute the equivalent units of materials, labor, and overhead in the ending work in process inventory. 2. Compute the cost of ending work in process inventory for materials, labor, overhead, and in total. 3. Compute the cost of the units transferred to the next department for materials, labor, overhead, and in total. 4. Prepare a cost reconciliation report