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QUESTION 2 Partially correct Mark 2.00 out of 6.00P Flag question Inventory Costing Methods-Perpetual Method Using the data below, assume that Graham Corporation uses the perpetual inventory system. Calculate the value of ending inventory and cost of goods sold at year-end using the perpetual method and (a) first-in, first-out, (b) last-in, first-out, and () weighted-average cost method Units Unit Cost Beginning Inventory, January 1 1,200 $68 Purchases: February 11 1500 s69 May 18 October 231,100 March 1 July 1 October 29 1,000 1,400 70 72 Sales: 1,400 1400 Round the cost per unit to 3 decimal places and round your final answers to the nearest dollar