[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 October 1 Transactions Units Unit Cost Total Cost Beginning inventory 6 $880 $ 5,280 October 4 Sale 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 $20,610 2. Using FIFO, calculate ending inventory and cost of goods sold at October 31. Ending inventory Cost of goods sold