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 $ 740 Total Cost $ 4,440 Date October 1 October 4 October 10 October 13 October 20 October 28 October 30 Transactions Beginning inventory Sale Purchase Sale Purchase Sale Purchase 750 Units 6 4 5 3 4 7 7 3,750 760 3,040 770 5,390 $16,620 . Using LIFO, calculate ending inventory and cost of goods sold at October 31