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 October 1 October 4 October 10 October 13 October 20 October 28 October 30 Transactions Units Cost per Unit Total Cost Beginning inventory Sale Purchase Sale Purchase Sale $770 780 790 800 $ 4,620 3,900 3,160 5,600 $17,280 4 5 7 Problem 6-1A Part 3 3. Using LIFO, calculate ending inventory and cost of goods sold at October 31. Ending inventory Cost of goods sold 4. Using weighted-average cost, calculate ending inventory and cost of goods sold at October 31. (Do not round intermediate calculations. Round your final answers to 2 decimal places.) Ending inventory Cost of goods sold