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 26 units for $25 each. Purchases on December 7 Purchases on December 14 Purchases on December 21 16 units @ $10.00 cost 33 units @ $15.00 cost 26 units @ $18.00 cost Required: Monson sells 26 units for $25 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 Date # of Cost per Inventory units unit Value Cost of Goods Sold # of Cost per Cost of units sold unit " Goods Sold Inventory Balance # of units Cost per Inventory unit Balance December 7 December 14 Average cost December 15 December 21 Average cost Totals