Calculating Weighted Average Unit Cost Under the Perpetual System of Inventory Gentry Corporation has the following information: Beginning of year units of Inventory 102,000 Beginning of year dollar cost of Inventory $ 3.54 Arrive at Warehouse Units Sold 1/22/X3 1,580 Purchases 2/15/X3 tob destination 2/18/X3 13,400 at $ 6.33 each Purchases 6/23/X3 fob destination 7/1/X3 2,650 at $ 7.89 each Units Sold 8/20/X3 3,800 Purchases 12/27/X3 tob destination 1/6/X4 10,100 at $ 9.00 each Units Sold 12/31/X3 8,000 Units Purchased Purchased At Cost of Purchase Cost of Sale Balance In $ In Units Sold Sold At WACU Date BOY Inventory 1/22/X3 2/18/X3 6/23/X3| 8/20/X3| 12/27/X3 12/31/X31 TOTAL COST OF GOODS SOLD TOTAL ENDING INVENTORY 5.) Calculate cost of goods sold for the sale that occurred on 8/20/X3. 6.) Calculate the ending inventory balance at 12/31/X3 in dollars