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 October 4 October 10 October 13 October 20 October 28 October 30 Beginning inventory 6 $ 890 $ 5,340 Sale 4 Purchase 5 900 4,500 Sale 3 Purchase Sale 4 910 3,640 7 Purchase 6 920 5,520 $19,000 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