Required information The following information applies to the questions displayed below) Trey Monson starts a merchandising business on December 1 and enters into the following three inventory purchases Monson uses a perpetual inventory system. Also, on December 15. Monson sells 30 units for $50 each Purchases on December 20 units $20.00 cost Purchases on December 14 34 units @ $30.00 cost Purchases on December 21 30 units @ $36.00 cost 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.) Inventory Balance Weighted Average Perpetual Goods.purchased Cost of Goods Sold #of Cost per unit Inventory Value units Cost per Cost of Goods unit Sold sold Date of units # of units Cost per unit Inventory Balance December 7 December 14 Average cost December 14 December 15 December 21 Average cost December 21 Totals