show solutiong for using FIFO and LIFO pls:)

Problem 6-1A Calculate ending inventory and cost of goods sold for four inventory methods (LO6-3) [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. 1 UNILS 6 Unit Cost $850 Total Cost $ 5,160 Date October October 4 October 10 October 13 October 20 October 28 October 30 Transactions Beginning inventory Sale Purchase Sale Purchase Sale Purchase 5 870 4,350 3,520 B90 5,340 $18,370 Problem 6-1A Part 3 3. Using LIFO, calculate ending inventory and cost of goods sold at October 31 Ending inventory Cost of goods sold