12 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 Part 4 of 4 5 points October 1 October 4 October 10 October 13 October 20 October 28 October 30 Beginning inventory 6 $ 820 $ 4,920 Sale 4 Purchase Sale 5 830 4,150 3 Purchase Sale 4 840 3,360 7 Purchase 8 850 6,800 $19,230 eBook Ask Print References 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 Check my work