Please solve in (IFRS) principles method not (FASB)

Question four: (15 marks) The following data are available on flow inventory during 2020 for the Dumber company which use perpetual system: data sold Data # units purchased 1/1/2020 9000 10/1/2020 25000 11/1/2020 (4000) 8/4/2020 10000 13/6/2020 14000 21/9/2020 6000 26/12/2020 3000 Unit cost 15 19 19 18.4 14.5 18.00 21.75 30/1/2020 01/02/2020 9/5/2020 11/6/2020 23/10/2020 27/12/2020 12000 @ $40 (2000) @40 15000@33 7000 @27 9000 @34 8000@22 Required: Calculate the ending inventory under moving perpetual at FIFO and weighted average methods