eBook Show Me How Perpetual Inventory Using Weighted Average Beginning inventory, purchases, and sales for WCS12 are as follows: Oct. 1 13 Inventory Sale 330 units at $8 150 units 22 Purchase 320 units at $11 400 units 29 Sale a. 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 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 unit cost to two decimal places 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 Check My Work Next