I am having trouble finishing b. and onwards. Any help is appreciated!

Equivalent Units of production and related costs The charges to Work in ProcessAssembly 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 17,440 To Finished Goods, 29,600 units Bal., 1,600 units, 35% completed Direct materials, 29,000 units @ $9.50 275,500 84,600 Direct labor, Factory overhead 39,258 Bal. 2 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 Percent Completed This Period Equivalent Units Direct Materials Conversion Whole Units 65% 1,600 28,000 O 28,000 1,040 28,000 Inventory in process, beginning Started and completed Transferred to finished goods Inventory in process, ending Total units 45% 1,000 30,600 1,000 29,000 450 29,490 Costs Direct Materials Conversion Total costs for period in Assembly Department Divided by total equivalent units (from above) Cost per equivalent unit Cost of the units started and completed during the period: Direct materials unit cost Conversion unit cost Total unit cost x Units started and completed Cost of units started and completed