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! Required information (The following information applies to the questions displayed below.] Sandra's Purse Boutique has the following transactions related to its top-selling Gucci purse for the month of October. Sandra's Purse Boutique uses a periodic inventory system. Units 6 Unit Cost $ 890 Total Cost $ 5,340 4 900 4,500 Date October 1 October 4 October 10 October 13 October 20 October 28 October 30 Transactions Beginning inventory Sale Purchase Sale Purchase Sale Purchase 5 3 4 7 910 3,640 6 920 5,520 $ 19,000 3. Using LIFO, calculate ending inventory and cost of goods sold at October 31. Ending inventory Cost of goods sold