Surf Products Company uses an automated process to clean and polish its souvenir items. Direct materials are placed into production at the beginning of the process and conversion costs are incurred evenly throughout the process. The following data pertain to March. Beginning work-in-process inventory Units placed in production Units completed Ending work-in-process inventory Cost of beginning work-in-process 6,000 items, 1/3 complete as to conversion costs 24,000 units 18,000 units 12,000 items, 1/2 complete as to conversion costs $5,000 Direct material costs, current month Conversion costs, current month $18,000 $15,400 Required: Using the first-in, first-out method determine the assignment of costs to units transferred-out and ending inventory.