X company Sells a Y product information relating to x purchases of Y product during october is shown as following X Company uses a perpetual inventory.sustayew System DATE Loct 1 loct. 2 EXPIANTATTION unit/ unit coso inventory 24 purchases 120 .26 Sale purchases 70 27 purchases 80 28 tua oct.ll Oct 17 oct. 25 The amount of the cost of Goods Sold in December, 31 ander the life method is