The netivity for a specific inventory item for the month of March was as follows: # of Per Unit Total Units Cost Cost October 1 inventory 30 $28 S840 Purchases: October 5 100 30 3.000 October 13 60 32 1.920 October 15 20 36 3.240 Goods Available for Sale 280 $2.000 Sales: October 8 110 October 22 120 23.0 Using weighted average cost under a periodic inventory system, what is the balance of Ending Inventory (round intermediate and final calculations to the nearest dollar) as at October 31? $2,040 $1,980 $1,920 $2,160