In the Shaping Department of Mayco the unit materials cost is $3.00 and the unit conversion cost is $1.80. The department transferred out 8,000 units and had 2,000 units in ending work in process 20% complete. If all materials are added at the beginning of the process, the total cost to be assigned to the ending work in process is O $6,720. O $1,920. O $6.000. $9,600