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 15 units for $20 each. Purchases on December 7 Purchases on December 14 10 units 20 units Purchases on December 21 15 units $ 6 cost $12 cost $14 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.) Weighted Average-Perpetual: Goods purchased Cost of Goods Sold Date of units Cost per unit December 7 December 14 Average cost December 14 December 15 December 21 Average cost December 21 Totals 15 at $ 14.00- $ 210.00 10 at $ 6.00 Inventory Value $ 60.00 #of units sold Cost per Cost of Goods # of units unit Sold Inventory. Balance Cost per unit Inventory Balance 10 at $ 6.00- $ 60.00 20 at $12.00 $ 240.00 10 at $ 20 at $ 6.00- 12.00- $ 60.00 240.00 30 at $ 300.00 15 at $ 0.00 15 15 at 15 at $ 14.00 210.00 30 at