Please help. Im desperate

inventory consisted of 12,000 units what is the cost of the ending inventory? Problem Seven Central Company has provided the following information for the fiscal quarter ended June 30. Purchased: Date Units as Apr 1 150 May 5 10 225 14 May 18 250 15 Jun 25 200 14 Sold: Date Units @S Apr 25 70 18 Jun 14 400 20 Assuming a perpetual inventory system calculate the dollar value of ending inventory an of goods sold using: a) FIFO b) Moving Weighted Average