100 units @ 01 Beginning 12/ $6/unit Inventory 100 units @ 12/10 Purchase $8/unit 200 units@ $9/unit 2/20 Purchase 150 units 12/31 Ending Inventory Assuming that a periodic inventory system is used, what is the ending inventory under th weighted average method? Select one O a. $1,500 O b. $1,350 O c. $1,200 O d. $2,000 e. $1,000