3 of 4 Transactions Beginning inventory Sale Sandra's Purse Boutique uses a periodic inventory system. Date October 1 October 4 Cost per Units Unit Total Cost 6 $880 $5,280 4 October 10: Purchase 5 890 4,450 October 13 Sale 3 October 20 Purchase 4 900 3,600 October 28 October 30 Sale 7 Purchase 8 910 7,280 Who $20,610 4. Using weighted-average cost, calculate ending inventory and cost of goods sold at October 31. (Do not round intermediate calculations. Round your final answers to 2 decimal places.) Ending inventory 8.065.00 Cost of goods sold 2 decimal places required. periodic inventory system: Cost per Date October 1 Transactions Units Unit Total Cost Beginning inventory 6 $880 $5,280 October 4 Sale 4 October 10 Purchase S 890 4,450 October 13 Sale 3 October 20 October 28 October 30 Purchase 4 900 3,600 Sale 7 Purchase B 910 7,280 $20,610 Required: 1. Calculate ending inventory and cost of goods sold at October 31, using the specific identification method. The October 4 sale consists of purses from beginning inventory, the October 13 sale consists of one purse from beginning inventory and two purses from the October 10 purchase, and the October 28 sale consists of three purses from the October 10 purchase and four purses from the October 20 purchase. Ending inventory Cost of goods sold