Perpetual Inventory Using Weighted Average

Beginning inventory, purchases, and sales for WCS12 are as follows:

Oct. 1		Inventory	300 units at $8
13		Sale	190 units
22		Purchase	390 units at $11
29		Sale	200 units

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. $

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. $

c. 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. $