Williams Company had the following information for the year ending December 31: 1 Units Unit Cost Beginning inventory 320 $44 Purchase April 6 280 41 Sale. May 4 490 Purchase July 19 600 38 Sale: 300 September 9 October 10 Purchase 100 33 Williams uses the perpetual inventory system and the FIFO method. Required: Using FIFO (a) Compute the cost of ending inventory. (b) Compute the cost of goods sold for the year