USING LIFO METHOD ONLY PLEASE HELP

Concord Company uses a periodicinventory system. For April, when the company sold 550 units, the following information is available Units Unit Cost Total Cost 260 $15 $3.900 April 1 inventory April 15 purchase April 23 purchase 430 18 7,740 310 20 6.200 1.000 $17,840 Compute the April 30 inventory and the April cost of goods sold using the LIFO method. Ending inventory $ Cost of goods sold $