Required information [The following information applies to the questions displayed below.] Alexandra's Boutique has the following transactions related to its top-selling Gucci purse for the month of October. Alexandra's Boutique uses a periodic inventory system. 2. Using FIFO, calculate ending inventory and cost of goods sold at October 31. 3. Using LIFO, calculate ending inventory and cost of goods sold at October 31. 4. Using weighted-average cost, calculate ending inventory and cost of goods sold at October 31. (Round your intermediate calculations to 4 decimal places and final answers to 2 decimal places.)