7. Gale Company has the following inventory and purchases during the fiscal year ended December 31, 2017 280 Units at $80/ unit Beginning inventory Feb. 10 purchased.. 195 Units at $84/unit Feb. 20 sold.. 360 Units at $160/unit 290 Units at $78/ unit Mar. 13 purchased Sept. 5 purchased 255 Units at $64/unit Oct. 10 sold 510 units at $160/unit Gale Company employs a perpetual inventory system. Question : 1.Calculate the dollar value of ending inventory and cost of goods sold using: a. FIFO b. Moving weighted average