! 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. Unit Cost $ 800 Total Cost $ 4,800 810 Transactions Beginning inventory Sale Purchase Sale Purchase Sale Purchase Date October 1 October 4 October 10 October 13 October 20 October 28 October 30 Units 6 4 5 3 4 7 6 4,050 820 3,280 830 4,980 $17,110 3. Using LIFO, calculate ending inventory and cost of goods sold at October 31. Ending inventory Cost of goods sold