Brief Exercise 8-6 Grouper Company uses a periodic inventory system. For April, when the company sold 550 units, the following information is available. Units Unit Cost Total Cost April 1 inventory April 15 purchase April 23 purchase 250 420 330 1,000 $14 $ 3,500 17 7,140 5,940 $16,580 18 Compute the April 30 inventory and the April cost of goods sold using the LIFO method Ending inventory Cost of goods sold