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 Total Cost October 1 Beginning inventory $ 4,680 October Sale October 10 Purchase 3,950 October 13 Sale Purchase 3,200 October 28 Sale October 30 Purchase 810 4,860 $16,690 $780 4 om 790 6 4 5 3 4 7 6 October 20 800 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