need help please

Instructions: Compute Cost of Goods Sold and Ending Inventory under: FIFO and LIFO using Perpetual System Date Total Cost Explanation 1-Jan Beginning inventory 1-Feb Purchase 1-Mar Purchase 1-Apr Sale Units Unit cost 250 $ 12.50 450 S 14.00 350 $ 16.00 1,000 Total cost Units purchased Units sold Units in ending inventory SISTEMA DE INVENTARIO PERPETUO FIFO Purchases Cost Per COST OF GOODS SOLD Units Cost Per Total Cost Balance Cost Per Date Units Total Cost Units Total Cost Ending inventory Cost of Goods Sold Total cost Units units total cost SISTEMA DE INVENTARIO PERPETUO LIFO Purchases Cost Per Balance Cost Per Date Units Total Cost COST OF GOODS SOLD Cost Per Total Cost Units Units Total Cost Cost of Goods Sold Total cost Ending inventory Units units total cost