Required information [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 October 1 Beginning inventory 6 $800 Total Cost $ 4,800 October 4 Sale October 10 Purchase October 13 Sale October 20 October 28 October 30 Purchase Sale Purchase 453416 810 4,050 820 3,280 830 4,980 $17,110 4. Using weighted-average cost, calculate ending inventory and cost of goods sold at October 31. (Round your intermediate and final answers to 2 decimal places.) Ending inventory Cost of goods sold S