Problem 6-1A Calculate ending inventory and cost of goods sold for four inventory methods (LO6-3) [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. Date Transactions Units Unit Cost Total Cost October 1 Beginning inventory 6 $720 $ 4,320 October 4 Sale 4 October 10 Purchase 5 730 3,650 October 13 Sale October 20 Purchase 740 2,960 October 28 Sale October 30 Purchase 750 4,500 $15,430 Problem 6-1A Part 2 2. Using FIFO, calculate ending inventory and cost of goods sold at October 31. Ending inventory Cost of goods sold