Perpetual Inventory using Weighted Average

Beginning inventory, purchases, and sales for WCS $12$ are as follows:

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.

q

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.

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.