Stuck on this problem! please help.

Cost of Units Completed and in Process The charges to Work in Process-Assembly Department for a period, together with information concerning production, are as follows. All direct mat Work in Process -Assembly Department Bal., 2,000 units, 55% completed 6,900 To Finished Goods, 46,000 units Direct materials, 47,000 units $1.8 84,600 Direct labor 105,500 Factory overhead 41,060 Bal., 2 units, 30% completed Cost per equivalent units of $1.80 for Direct Materials and $3.20 for Conversion Costs. a. Based on the above data, determine the different costs listed below. If required, round your interim calculations to two decimal places. $ 1. Cost of beginning work in process inventory completed this period 12,840 X $ 2. Cost of units transferred to finished goods during the period 407,640 x $ 3. Cost of ending work in process inventory 19,260 X 4. Cost per unit of the completed beginning work in process inventory (Rounded to the nearest 5 cent.) b. Did the production costs change from the preceding period? 6.4 X