the two answers put in there are not correct

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 materials are placed in process at the beginning of production. Work in Process-Assembly Department Bal., 6,000 units, 25% completed Direct materials, 141,000 units $1.3 Direct labor Factory overhead Bal. ? units, 45% completed Cost per equivalent units of $1.30 for Direct Materials and $4.40 for Conversion Costs. To Finished Goods, 138,000 units 13,950 183,300 445,300 173,120 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 2. Cost of units transferred to finished goods during the period. 3. Cost of ending work in process inventory 4. Cost per unit of the completed beginning work in process inventory, rounded to the nearest cent. b. Did the production costs change from the preceding period 13,950 786,600 c. Assuming that the direct materials cost per unit did not change from the preceding period, did the conversion costs per equivalent unit increase, decrease, or remain the same for the current period