White Company uses the weighted$-$average method in its process costing system. The Mixing Department has $5,000$ units in beginning Work$-$in$-$Process Inventory. The Mixing Department completed $40,000$ units and transferred those units to Finished Goods Inventory. Mixing Department has ending Work$-$in$-$Process Inventory of $6,000$ units. How many total units will be accounted for in the Mixing Department?