I need help with the ending. a detailed formula is much appreciated.

The machining department of Windsor Manufacturing had a busy year! Management evaluated the stage of completi Inventory and recorded the following in Step 1 of its process costing analysis. Determine the equivalent units of production for both DM and conversion costs this year for the Windsor machining department under the FIFO method. According to the completion percentages in part (a), does Windsor add DM costs in the machining department closer to the beginning, the middle, or the end of the process? Determine the equivalent units of production for both DM and conversion costs this year for the Windsor machining department under the weighted-average method