Saved Help Required information Trey Monson starts a merchandising business on December 1 and enters into the following three inventory purchases. Also, on December 15, Monson sells 23 units for $30 each. Purchases on December 7 Purchases on December 14 30 units $18.00 cost Purchases on December 21 23 units $22.00 cost 13 units $12.00 cost Required Monson sells 23 units for $30 each on December 15. Monson uses a perpetual inventory system. Determine the costs assigned 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 Cost of Goods Sold t of Cost per Cost of #of Cost per Inventory units unit Cost per Inventory Balance Date Goods Sold! #Of units | Value units sold i unit $0.00 December 14 $ 0.00 $0.00 Average cost $ 0.00 December 15 $ 0.00 December 21 Average cost S 0.00 Totals