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 periodic inventory system. Also, on December 15, Monson sells 29 units for $50 each. Purchases on December 7 Purchases on December 14 Purchases on December 21 19 units @ $20.00 cost 36 units @ $30.00 cost 29 units @ $36.00 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 #of Cost Inventory # of Cost of units Avg. Cost units per unit Value Goods sold per unit Sold Purchase - December 7 19 $ 20.00 $ 380 Purchase - December 36 14 30.00 1,080 Purchase - December 21 29 36.00 1,044 Available for Sale 84 86.00 2,504 December Sales 0 113