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. Total Cost $ 4,620 Date October 1 Transactions Units Unit Cost Beginning inventory 6 $770 October 4 Sale 4 October 10. Purchase 5 780 3,900. October 13 Sale 3 October 20 Purchase 4 790 3,160 October 28 Sale October 30 Purchase 800 5,600 $17,280 2. Using FIFO, calculate ending inventory and cost of goods sold at October 31. Ending inventory Cost of goods sold S Maut