i also need help with example 17-11 and 17-12

EX 17-11 Equivalent units of production and related costs A. 1,000 units Obj. 2 The charges to Work in Process-Assembly Department for a period, together with informa- tion concerning production, are as follows. All direct materials are placed in process at the beginning of production. EXCEL TEMPLATE Work in Process-Assembly Department Bal., 1,600 units, 35% completed 17,440 To Finished Goods, 29,600 units Direct materials, 29,000 units @ $9.50 275,500 Direct labor 84,600 Factory overhead 39,258 Bal. ? units, 45% completed Determine the following: A. The number of units in work in process inventory at the end of the period B. Equivalent units of production for direct materials and conversion C. Costs per equivalent unit for direct materials and conversion D. Cost of the units started and completed during the period EX 17-12 Cost of units completed and in process Obj. 2, 4 A. 1. $21,808 A. Based on the data in Exercise 17-11, determine the following: 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 Did the production costs change from the preceding period? Explain. B. 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? Obj. 2 rs in equivalent unit computation EX 17-13