Purchase Periodic inventory by three methods; cost of goods sold The units of an item available for sale during the year were as follows: Jan. 1 Inventory 50 units at $112 Mar. 10 70 units at $124 Purchase 20 units at $130 Dec 12 60 units at $132 There are 10 units of the item in the physical inventory at December I. The periodic inventory system is used Determine the ending inventory cost and the cost of goods sold by three methods. Round interim calculations to one decimal and final answers to the nearest whole coltar Aug 30 Purchase Cost of Ending Inventory and cost of Goods Sold Inventory Method Ending Inventory Cost of Goods Sold Tintin ft-out (FFO) Lasti, tist-out (UTO) Weighted average cost