Materials costs of $1250000 and conversion cost of $2420000 were charged to a processing department in the month of September. Materials are added at the beginning of the process while conversion costs are incurred uniformly throughout the process. There were no units in beginning work in process inventory, 25000 units were started into production in September, and there were 5000 units in ending work in process inventory that were 40% complete as to conversion costs at the end of September What was the total manufacturing cost assigned to those units that were completed and transferred out of work in process during September? O $3520000. O $4000000 O $3200000 O $2936000. R