During June, 32,000 units were placed into production and 31,200 units were completed, ineluding those in inventory on June 1. On June 30 , the inventory of work in process consisted of 4,600 units that were 40 yo completed. Inventories are costed by the weighted average method and materials are added throughat the process: Determine the following, presenting your computations: a. Equivalent units of production units b. Cost per equivalent unit 1 per unit c. Cost assigned to finished goods completed in the current peried 1 d. Cost assigned to ending work in process inventory at June 30s