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. Cost per Unit Date Transactions Units Total Cost $740 $4,440 Beginning inventory Sale October 1 October 4 4 October 10 October 13 Purchase 750 3,750 Sale October 20 760 3,040 chase October 30 Purchase 770 7 5,390 $16.620 2. Using FIFO, calculate ending inventory and cost of goods sold at October 31 Ending inventory Cost of goods sold $ 10,470 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 Ending inventory $ 10,576.36 Cost of goods sold