Purchases on December 7 Purchases on December 14 Purchases on December 21 20 units @ $20.00 cost 34 units @ $30.00 cost 30 units e$36.00 cost QS 6-12 Perpetual: Inventory costing with weighted average LO P1 Required: Monson sells 30 units for $50 each on December 15. Monson uses a perpetual inventory system. Determine the costs ssigned to ending inventory when costs are assigned based on the weighted average method. (Round your per unit costs to 2 decimal places.) Weighted Average - Perpetual: Goods purchased Inventory Balance Cost of Goods Sold # of Cost per Cost of units unit Goods Sold #of Date Cost per units unit Inventory Value # of units Cost per unit Inventory Balance sold December 7 $ 0.00 December 14 $ 0.00 $ 0.00 Average cost December 15 $ 0.00 December 21 $ 0.00 0 Average cost Totals $ 0.00