7. Alpha Company has the following production data for June: Completed and transferred out Ending work in process inventory 50,000 units 6,000 units The units in ending work in process inventory are 100% complete for materials and 60% complete for conversion costs. There is no beginning work in process inventory. Materials cost is $4 per unit and conversion costs are $11 per unit. The costs to be assigned to the units in ending work in process inventory are a. $63,600 b. $39,600 c. $90,000 d. $24,000 Some other amounts e