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 10 units for $50 each Purchases on December 7 Purchases on December 14 Purchases on December 21 B units @ $20.00 cost 17 units $30.00 cost 15 units @ $36.00 cost Required: Monson sells 10 units for $50 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 place Inventory Balance Weighted Average-Perpetual Goods purchased Date of Inventory Value Cost per Cost of Goods Sold #of units Cost of unit Goods Sold sold Cost per # of units Cost per unit Inventory Balance December 7 Be $ 20.00 = 8 @ $ 20.00 = $ 160.00 160.00 $ 510.00 December 14 171 530.00 = 8 @ $ 20.00 - $160.00 Average cost 17 @ $ 30.00 25 @ 510.00 $ 670.00 December 15 $ 0.00 December 21 $ 0.00 Average cost Totals 0 $ 0.00