Bloom Company, which uses the periodic inventory system, has the following records for 2019: Units Unit Cost Beginning inventory 60 $80 Purchases: 25 84 March 6 55 88 July 12 20 90 August 19 40 92 October 27 Ending inventory at December 31 80 units. Compute the cost of the ending inventory and the cost of goods sold using the following methods: a. FIFO b. Weighted average c. LIFO