Windsor Company uses a periodic inventory system. For April, when the company sold 470 units, the following information is available. Units Unit Cost Total Cost April 1 inventory 290 $18 $ 5,220 April 15 purchase 400 22 8,800 April 23 purchase 350 23 8,050 1,040 $22,070 Compute the April 30 inventory and the April cost of goods sold using the LIFO method.