$($Perpetual inventory system$)$ Assuming that perpetual records are maintained and they tie into the general ledger. What is the cost of goods sold, the cost of the ending inventory, and the gross profit using FIFO and LIFO? Fill in the blanks below.

$\backslash$table$[[,$FIFO,LIFO$],[$Cost of Goods Sold,,$],[$Ending Inventory,,$],[$Gross Profit,,$]]$