You have recently been appointed as the cost accountant for Silky Hair Co$.$ Ltd$.,$ a manufacturer of hair shampoo. Your first task is to clear up the production records of the mixing department for November $2022.$

You learn that the mixing department is the last stage of the shampoo production process. Units transferred from the previous department use direct labour and overhead inputs evenly in mixing. A secret ingredient is also added to each unit at the $40\%$ point in processing.

You also find out that the beginning inventory for the month of November was $4,000$ units with the following costs:

$\backslash$table$[[$Transferred$-$in costs,$$16,000$