[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 periodic inventory system. Also, on December 15, Monson sells 15 units for $20 each Purchases on December 7 Purchases on December 14 Purchases on December 21 10 units @ $ 6 cost 20 units @ $12 cost 15 units @ $14 cost Determine the costs assigned to ending Inventory when costs are assigned based on the weighted average method (Amounts to be deducted should be indicated with a minus sign. Round cost per units to 2 decimals.) Periodic Weighted Average Inventory on hand Cost of Goods Sold Cost per Inventory of units Avg. Cost per # of units Cost of unit Value sold unit Goods Sold Purchase - December Purchase - December 14 Purchase - December 21 Available for Sale December Sales Total