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 250 $18 $4,500 April 15 purchase 400 22 8,800 April 23 purchase 350 23 8,050 1,000 $21,350 Compute the April 30 inventory and the April cost of goods sold using the FIFO method. Ending inventory $ Cost of goods sold $