Mando Exam Ch 5 & 6 Perpetual Inventory Using Weighted Average Beginning inventory, purch and sales for WCS12 are as follows: Oct. Inventory 340 units at $9 Sale 170 units Purchase 330 units at 11 200 units .. Assuming a perpetual entory system and using the righted average to determine the weighted average una cost of the October 22 purchase. Round your answer to two decimal places per unit Assuming a perpetua inventory wstem and using the weighted average method, determine the cost of good old on October 29. Round your average unit cost to two decimal places . c. Assuming a perpetual inventory water and wing the weighted rape methos, determine the mentary on October 31. Round you werage unit cost to the decimal places 10