Brief Exercise 8-06 Swifty Company uses a periodic inventory system. For April, when the company sold 420 units, the following information is available. Units Unit Cost Total Cost 240 April 1 inventory April 15 purchase April 23 purchase $13 16 440 320 $ 3,120 7,040 5,440 $15,600 17 1,000 Compute the April 30 inventory and the April cost of goods sold using the LIFO method. Ending inventory $ Cost of goods sold