Perpetual Inventory Using Weighted Average Beginning inventory, purchases, and sales for 30xT are as follows: May 1 Inventory 50 units at $80 12 Sale 35 units 23 Purchase 60 units at $90 26 Sale 55 units Assuming a perpetual inventory system and using the weighted average method, determine the weighted average unit cost after the May 23 purchase. $ ________________ per unit Assuming a perpetual inventory system and using the weighted average method, determine the cost of the merchandise sold on May 26. $ _____________ Assuming a perpetual inventory system and using the weighted average method, determine the inventory on May 31. $ __________________