Perpetual Inventory Using Weighted Average Beginning inventory, purchases, and sales for WC512 are as follows: Oct. 1 Inventory 300 units at $8 13 Sale 175 units 22 Purchase 375 units at $10 29 Sale 280 units a. Assuming a perpetual inventory system and using the weighted average cost method, determine the weighted average unit cost after the October 22 purchase. Round your answer to two decimal places. per unit b. Assuming a perpetual inventory system and using the weighted average method, determine the cost of goods sold on October 29. Round your "average unt cost to two decimal places. c. Assuming a perpetual inventory system and using the weighted average method, determine the inventory on October 31. Round your average unit cost to wo decimal places. Perpetual Inventory Using Weighted Average Beginning inventory, purchases, and sales for WCS12 are as follows: Oct. 1 Inventory 300 units at $8 13 Sale 175 units 22 Purchase 375 units at $10 29 Sale 200 units a. Assuming a perpetual inventory system and using the weighted average cost method, determine the weighted average unit cout after the October 22 purchase. Round your answer to two decimal places per unit D. Assuming a perpetual inventory system and using the weighted average method, determine the cost of goods sold on October 23, Kound your everage une couro two decimal places. c. Assuming a perpetual inventory system and using the weighted average method, determine the inventary on October 31. Round your "evernorunt come w decimal places