petual Inventory Using Weighted Average eginning inventory, purchases, and sales for WCS12 are as follows: Oct. 1 13 Inventory Sale 340 units at $8 180 units 22 Purchase 340 units at $10 29 Sale 200 units -Assuming a perpetual inventory system and using the weighted average method, determine the weighted average unit cost after the October 22 purchase. Round your answer to two decimal places 11.3 X per unit Assuming a perpetual inventory system and using the weighted average method, determine the cost of goods sold on October 29. Round your "average unit cost" to two decimal places. 3,399 X Assuming a perpetual inventory system and using the weighted average method, determine the inventory on October 31. Round your "average unit cost" to two decimal places. 160 X