Question 38 Addison Inc. uses a perpetual inventory system. The following is information about one inventory turn for the month of September Sept. Inventory 20 units at 125 4 Sale 10 units 10 Purchase 30 units 530 13 20 units of Addison, Inc. tes the weighted average method what is the ending inventory at September 30 The focus for the weighted average methods: Total cost of goods for sale of units for sale 3.575 1.650 900 d.775