The Assembly Department started the month with 21,000 units In Its beginning work In process Inventory. An additional 284,500 units were transferred In from the prior department during the month to begin processing In the Assembly Department. There were 15,500 units In the ending work In process Inventory of the Assembly Department. How many units were transferred to the next processing department during the month? 305,500 290.000 321.000 279.000