Perpetual Inventory Using Weighted Average Beginning inventory, purchases, and sales for WCS12 are as follows: Oct. 1 Inventory 320 units at $10 13 Sale 180 units 22 Purchase 360 units at $12 29 Sale 300 units a. Assuming a perpetual inventory system and using the weighted average method, determine the weighted average unit cost ofter the October 12 purchase. Round your answer to two decimal places 11 X per unit b. Assuming a perpetual inventory system and using the weighted average method, determine the cost of 2000s sold on October 29. Round your "average unt cout" to two decimal places C. Assuming a perpetual inventory witem and using the weighted average methos, determine the inventory on October 31. Round your average unit cost to two decimal places Feedback Chat Work Vhen the weighted average cost method is used in a perpetual entory, wted average unt cost for each tom is computed each time a purchases made this untis used to determine the cost of each sa tilanthe purchase is made and a new average is computad