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 Guccipurse for the month of October. Sandra's Purse Boutique uses a periodic inventory system. Problem 6-1A Part 3 3. Using LIFO, calculate ending inventory and cost of goods sold at October 31