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

Oct. 1 inventory 300 units @ $8

13 sale 175 units

22 Purchase 375 units @ $10

29 sale 280 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. $ per unit

b. Assuming a perpetual inventory system and using the weighted average method, determine the cost of the merchandise 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.