Perpetual Inventory Using Weighted Average

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

Oct. 1		Inventory	310 units at $8
13		Sale	180 units
22		Purchase	370 units at $9
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. $fill in the blank 1per 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. $fill in the blank 2

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. $fill in the blank 3