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. Unit Cost $800 Total cost $ 4,800 810 Units 6 4 5 3 4 Date October 1 October 4 October 10 October 13 October 20 October 28 October 30 4,050 Transactions Beginning inventory Sale Purchase Sale Purchase Sale Purchase 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