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. Transactions Units Cost Unit Total Cost Date October 1 Beginning 6 $830 $ 4,980 inventory October 4 Sale October10 Purchase 45 4 840 4,200 October13 Sale 3 October20 Purchase 4 850 3,400 October28 Sale 7 October30 Purchase 6 860 5,160 $17,740 2. Using FIFO, calculate ending inventory and cost of goods sold at October 31. Ending e inventory Cost of goods sold