Cost of Goods Available for Sale Weighted Average Cost # of units Average Cost per unit Cost of Goods Available for of units Sold 3. Using weighted average cost, calculate ending inventory, cost of goods sold, sales revenue, and gross profit. (Round "Average Cost per unit" to 2 decimal places and all other answers to the nearest whole number.) Ending Inventory-Weighted Average Cost Average Ending Cost per unit Inventory Cost of Goods Sold - Weighted Average Cost # of units Average Cost of Cost per Unit Goods Sold in Ending Sale Inventory Beginning Inventory 60 $ 3,120 Purchases Apr 07 140 7,560 Jul 16 210 11,970 Oct 06 120 6,960 Total 530 $ 29,610