Required informatio Trey Monson starts a merchandising business on December 1 and enters into three inventory purchases 6.00 cost $12.00 cost $14.00 cost 10 units 20 units 15 units Purchases on December 7 Purchases on December 14 Purchases on December 21 Required: Monson sells 15 units for $20 each on December 15. Assume the periodic inventory system is used. Determine the costs assigned to ending inventory when costs are assigned based on the weighted average method (Amounts to be deducted should be indicated with a minus sign. Round cost per units to 2 decimals.) Periodic Weighted Average Inventory on hand Cost of Goods Sold # of units Cost per unit Goods Sold t per Inventory | units unit Cost of os # of units Value sold 10 6.00$ 20 15 45 Purchase December 7 Purchase December 14 Purchase December 21 Available for Sale December Sales 60 240 210 510 12.00 14.00 $510 Total 45