1 (16 marks) Bale Company uses a perpetual inventory system and had the following beginning inventory. purchases and sales during the fiscal year ended December 31, 2017: Jan. 1 Feb. 10 Feb. 20 Mar. 13 Sept. 5 Oct. 10 Beginning inventory Purchase Sale Purchase Purchase Sale 280 units @ $80 195 units @ $84 360 units @ $160 290 units @ $78 255 units @ $64 510 units @ $160 Required: Part I Calculate the ending inventory and cost