Riverside Products Company uses an automated process to clean and polish its souvenir items. For March, the company had the following activities: Beginning work in process inventory 3,000 items, 1/3 complete Units placed in production 12,000 units Units completed 9,000 units Ending work in process inventory 6,000 items, 1/2 complete Cost of beginning work in process $2,500 (DM: $1,000) Direct material costs, current $9,000 Conversion costs, current $7,700 Direct materials are placed into production at the beginning of the process and conversion costs are incurred evenly throughout the process. Required: Prepare a production cost worksheet using the FIFO method