Skysong Company uses a periodic inventory system. For April, when the company sold 600 units, the following information is available. Units Unit Cost Total Cost April 1 inventory 270 $16 $ 4,320 April 15 purchase 410 19 7,790 April 23 purchase 320 21 6,720 1,000 $18,830 Compute the April 30 inventory and the April cost of goods sold using the FIFO method. Ending inventory $ 6790 Cost of goods sold $ 12040